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HomeMy WebLinkAbout05 - Traffic Impact Study - Legends at Bridger Creek II TRAFFIC IMPACT STUDY for LEGENDS at BRIDGER CREEK II SUBDIVISION Bozeman, Montana Prepared for EDGEFIELD, L.L.C. Prepared by ° a ° RO[iERT R. �. ro : M. Nrr MARVIN & ASSOCIATES 3 1300 North Transtech Way . Billings, MT 59102 P.T.O.E. #259 October 2005 TABLE OF CONTENTS PAGE INTRODUCTION 1 SITE LOCATION & DESCRIPTION 1 EXISTING CONDITIONS 3 Streets & Intersections 3 Traffic Volumes 6 Capacity 6 Speeds 9 Accident History 9 Traffic Signal Warrants 10 Turn Lane Warrants 12 TRIP GENERATION 12 TRIP DISTRIBUTION 14 TRAFFIC ASSIGNMENT 16 FULL BUILDOUT (2010) IMPACTS 18 Traffic Volumes 18 Capacity 20 FUTURE (2025) IMPACTS 21 IMPACT MITIGATION 22 Site Access 22 Turn Lane Warrants 22 Traffic Signal Warrants 23 RECOMMENDATIONS 24 APPENDIX A - TRAFFIC VOLUMES APPENDIX B - CAPACITY CALCULATIONS APPENDIX C - SPOT SPEED STUDY WORKSHEETS APPENDIX D - TRAFFIC SIGNAL WARRANT WORKSHEETS APPENDIX E - TURN LANE WARRANT WORKSHEETS LIST OF TABLES PAGE Table 1. Existing PM Design Hour Capacity Analysis Summary 8 Table 2 The Legends II Subdivision TIS Trip Generation Summary 12 Table 3 Full Buildout PM Design Hour Capacity Analysis Summary 21 LIST OF FIGURES PAGE Figure 1. Site Location Map 2 Figure 2. Proposed Site Layout and Access 4 Figure 3. Existing PM Design Hour Volumes & ADTs 7 Figure 4. Trip Distribution Summary 15 Figure 5. Traffic Assignment Summary 17 Figure 6. 2010 Buildout Traffic Volume Summary 19 Figure 7. Legends Access Left Turn Lane 27 ii 1. _j The Legends at Bringer Creek I I Subdivision TIS INTRODUCTION This report summarizes the findings of a traffic impact study (TIS) completed in regards to the proposed Legends at Bridger Creek II Subdivision (heretofore referred to as Legends II) in Bozeman, MT. Marvin & Associates was retained by Edgefield L.L.C. to provide the TIS per the requirements of City of Bozeman ordinances pertaining to land use developments which have the potential to impact traffic operations on the surrounding street system. Therein, the primary purposes of this study were to address specific impacts of the new development and provide recommendations regarding the mitigation of any identified impacts. Having reviewed the proposed land use development plan, Marvin & Associates completed an extensive analysis of existing conditions, addressed trip generation, trip distribution and traffic assignment, and evaluated the resulting capacity and safety impacts, before making recommendations regarding the mitigation of impacts. The study methodology and analysis procedures used in this study employed the most contemporary of analysis techniques, referencing only nationally accepted standards in the areas of site development and transportation impact assessment. Recommendations made within this report are based upon those standards and the professional judgment of the author. SITE LOCATION & DESCRIPTION The development site for this project is located north of Bridger Canyon Road, on the northeast fringe of Bozeman's city limits (see Figure 1, next page). To the west of the project site lays the Legends at Bridger Creek Subdivision. To the east is the proposed Creekwood Subdivision, for which Marvin & Associates completed a traffic impact study in February of 2005. To the south lay the Mount Baldy and Vogel Subdivisions, while Bridger Creek bounds the property to the north. AIW� The Legends at BHdger Creek 11 5ubdivision TIS Page 1 i 1 F i f i - � ? �'►,` Ilia-• .I A IWO ' 1 s 4A i i LZ Psi T _ Wet Figure 1 . Site Location Map (� The Legends at Bridger Creek II Subdivision T!S Page 2 Figure 2 (next page) shows an aerial photograph of the area, with Legends II superimposed, to illustrate the proposed layout and access locations. The preliminary plat for Legends II proposes the development of 125 single-family dwelling unit lots and a community park/neighborhood center. Access to the subdivision would be achieved via a direct approach to Bridger Canyon Road (through the Mount Baldly Subdivision) and through single connections to the neighboring subdivisions east and west. The proposed direct access to Bridger Canyon Road is currently a farm access permitted by MDT that aligns with an access to the Headlands Subdivision. An application to change it to a public street access will be made to MDT. EXISTING CONDITIONS Streets &Intersections Adjacent and potentially impacted public streets include: Bridger Canyon Road (Bridger Drive), N. Rouse Avenue, Griffin Drive and Story Mill Road. The existing intersections of Griffin Drive and Story Mill Road with N. Rouse Avenue/Bridger Drive have the greatest potential to be impacted by Legends II. The intersection of Bridger Canyon Road with the Headlands Subdivision access, which will be aligned with the newly constructed Legends II access, also has the potential to be impacted. Bridger Canyon Road is designated as Primary Highway 86 (P-86) by the Montana Department of Transportation and was classified throughout its urban continuity as a principal arterial in the Greater Bozeman Area Transportation Plan 2001 Update. P-86 begins as N. Rouse Avenue at its intersection with Main Street (P-50) in downtown Bozeman and continues north, passing under Interstate 90 and intersecting with Griffin Drive, where it turns east and continues as Bridger Drive. P-86 then becomes Bridger Canyon Road somewhere in the area of the project site. To the north and east, Bridger Canyon Road winds The Le en s�."_. 9 d at Bridger Creek 11 Subdivision TIS Page 3 x o m �c H V V Q i = v a m � � - O m a a o o � V L N c19 G y OA� � p C {nW oe = O y c � H ° m L m N ii o V � Y a d � E! E � M rz 3�a The Legends at Bridger Creek 11 Subdivision TIS Page 4 through the Bridger Mountains, providing access to the Bridger Bowl Ski area and other residential and commercial destinations, before terminating in the community of Wilsall, approximately 35 miles away. N. Rouse Avenue is approximately 40' wide and carries two lanes of traffic at its intersection with Griffin Drive. The roadway narrows to approximately 32' at its intersection with Story Mill Road and to approximately 28' in the area adjacent to the project site. Griffin Drive is a minor arterial street that connects N. Rouse Avenue/Bridger Drive with N. 7t" Avenue, a parallel principal arterial that is located approximately 3/4 of a mile to the west. Griffin Drive carries two lanes of traffic throughout its length. Story Mill Road is classified as a collector within Bozeman's city limits. To the north of Bridger Drive, Story Mill has a paved width of approximately 26' and carries two lanes of traffic, one each north and south and provides access to the City Landfill, as well as the Bridger Creek Golf Course and several local subdivisions. South of Bridger Drive, Story Mill is a gravel road with a width of approximately 25'. Also to the south, Story Mill intersects with L Street, which eventually provides access to Main Street, before winding south and east as Big Gulch Road. The intersections of Griffin Drive and Story Mill Road with N. Rouse/Bridger Drive are currently stop controlled. At the Griffin Drive intersection, auxiliary turn bays on Rouse Avenue provide storage for left-turn movements onto Griffin, while the eastbound approach of Griffin to the intersection provides a channelized, exclusive right-turn lane that is yield-controlled. The Story Mill Road intersection does not provide any additional dedicated lanes for minor approach turning movements, although the pavement is wide enough so that de-facto movements "f L The Legends at Bridger Creek 11 Subdivision TIS Pd Je 5 do occur occasionally. The Headlands Subdivision access approach to Bridger Canyon Road is also currently stop-controlled. Traffic Volumes Twenty-four hour automatic traffic counts were taken in February of 2005 at four locations along Bridger Canyon Road in the area adjacent to the project site. The counts provided hourly variations, which were used to determine the peak hour. The counts also provided average daily traffic (ADT) estimations within the travel corridor. In addition, am and pm peak hour turning movement counts were taken on February 1 and 2, 2005. From those counts, it was determined that the hour between 4:30 and 5:30 pm is the weekday peak at both of the potentially impacted intersections. Raw count data for that hour was adjusted according to factors for daily and monthly variations to represent existing design hour volumes. Figure 3, on the following page, presents existing (2005) pm design hour turning movement volumes at all of the potentially impacted area intersections. ADT volumes, estimated from automatic counts and turning movement volumes, are also presented in Figure 3. Summaries of twenty-four hour traffic counts can be found in Appendix A of this report. No pedestrian or bicycle activity was noted during the study's field investigations and was therefore not indicated on the turning movement diagrams. PM peak hour heavy truck traffic along N. Rouse Avenue/Bridger Drive, west of Story Mill Road, was calculated to be approximately 2%, while to the east it was 1% or less. Truck traffic on Story Mill Road was also calculated to be approximately 2% of total traffic during the pm peak hour. Capacity Unsignalized capacity calculations were conducted for the pm design hour period for each of the potentially impacted area intersections using the HCS 2000 j,, ,, The Legends at Bridger Creek 11 Subdivision TI5 Page 6 B4 �O �p IAWN A ASSOCIATES �O I � 00 I Subd v s 214 1 LWI r—3 ® \ 170 g I C O 1'9 1'9 ® y 203 2 12 i--i I l l �) 6 J/ '--5 1 5— +-13 II87�` ,-12 IIa 0 80 1 ,5 IN 164 Legendi 1 Access c oc m [1800] —� [1800] STORY MILL ROAD [600] O O 2005 PM Design Hour (4:30-5:30) ;b 2 8 /300 /i24� ADT (TYP•) III 14 [8100] 249 N.ROUSE AVENUE 1271 177i O G 7 144 oe t9 Figure 3. Existing PM Design Hour Volumes & ADTs Ek, The Legends at Bridget Creek 11 Subdivi5ion TI5 Page 7 software package. Table 1 below presents the results of those calculations. Measures of effectiveness in the table include control delay (s/veh), level of service (LOS), volume to capacity (v/c) ratio, and 95% queue length (vehicles). The calculation results showed that the eastbound approach left-thru movement on Griffin Drive currently operates at a LOS "F" during the pm design hour, with an average control delay of approximately 161.5 seconds/vehicle, and a 95% queue length of 8.2 vehicles. In addition, the westbound approach operates at an unacceptable LOS "E", exhibiting 39.2 seconds/vehicle of average control delay and a 95% queue length of 0.7 vehicles. All other approach movements at both intersections currently operate at or above an acceptable LOS "C" during the pm design hour. Observations made during the pm peak hour period indicated that capacity calculation results may slightly overestimate the severity of operational problems at the N. Rouse/Griffin intersection. However, a substantial number of conflict occurrences were witnessed during the peak hour, which could be indicative of a reduction in minimum gap acceptance for drivers executing eastbound left-turn maneuvers. Thus, actual queue formation and delay are less than calculated due to aggressive driver behavior. Capacity calculation worksheets for existing and impacted conditions can be found in Appendix B of this report. Table 1. Existing PM Design Hour Capacity Analysis Summary Intersection MOE NB SB EB WB Movement Group L L LT R LTR N. Rouse Avenue Control Delay(s/veh) 9.2 7.9 161.5 11.7 39.2 and LOS A A F B E VIC Ratio 0.21 0.00 1.08 0.23 0.20 Griffin Drive Queue Len th 95% 0.8 0.0 8.2 0.9 0.7 Movement Group LTR TR LTR LTR Bridger Drive Control Delay(s/veh) 18.4 11.4 7.9 7.7 and LOS c B A A Story Mill Road VIC Ratio 0.15 0.18 0.08 0.01 y Queue Len th 95% 0.5 0.6 0.3 0.0 Movement Group LR TR LT Bridger Canyon Road Control Delay(s/veh) 10.7 7.6 and LOS B A VIC Ratio 0.01 0.00 Headlands Sub Access Queue Length 95510 0.0 0.0 The Legends at Bridyer Creek 11 Subdivision TIS Page 8 Speeds In conjunction with the Creekwood Subdivision TIS, a spot speed study was conducted along Bridger Canyon Road, to determine if operating speeds are consistent with posted speed limits. Speed data was collected at four locations within a half-mile roadway segment near Creekwood. Study results showed that 85th % speeds at the location of the shared access with Creekwood are approximately 55 mph eastbound and 56 mph westbound, although the posted non-truck speed limit for that location is 45 mph for both travel directions. To the west, the speed zone changes from 45 mph to 35 mph at approximately the location of the proposed access approach for Legends II. Based upon information from the spot speed study, 85th % speeds of approximately 50 mph could be expected for that location. Accident History MDT provided accident statistics for the N. Rouse Avenue/Bridger Drive/Bridger Canyon Road corridor from milepost 0.000 to milepost 15.000, for the five-year period from October 1, 1999 to September 30, 2004. In that time, 23 accidents were reported for the stretch of roadway between (but not excluding) the Griffin Drive intersection and the eastern boundary of the Creekwood Subdivision property. Five injuries and one fatality resulted. Six of the accidents occurred at the Griffin Drive intersection, although no injuries or fatalities were reported. Based on existing daily traffic volumes, an intersection accident rate of 0.312 accidents/million vehicles entering (MVE) would result. Of the six accidents at the intersection, all occurred during daylight hours. Four were reported to occur on wet or icy roads. Three were right-angle accidents, two were rear ends, and one was a sideswipe. The Legends at Bridger Creek 11 Subdivision TIS Page 9 Three accidents were reported for the Bridger Drive — Story Mill Road intersection, with no injuries or fatalities. An accident rate of 0.298 accidents/MVE would result based upon the existing daily intersection volume demand. All three accidents occurred during daylight hours and two of the three occurred on wet or snowy roads. One accident was classified as a rear-end, another as a right-angle incident and the third went unclassified. Traffic Signal Warrants As a part of the aforementioned Creekwood Subdivision study, the eight traffic signal warrants contained within the 2003 Manual on Uniform Traffic Control Devices (MUTCD) were investigated for the purpose of determining the current justification for signalized traffic control at the Rouse Avenue — Griffin Drive intersection. Appendix D of this report contains the representative traffic signal warrant worksheet for the intersection. The following warrants were found to be met under existing (2005) traffic demand conditions: Warrant #1, Eight-hour Vehicular Volumes — Since the speed limit on N. Rouse Avenue is posted at 35 mph in the area of the Griffin Drive intersection, 100% warrant volume standards represent the required minimums for all three volume warrants. Warrant calculation results showed that during the eighth highest traffic hour, under warrant condition A, which is "intended for application where a large volume of intersecting traffic is the principal reason to consider installing a traffic control signal," existing volumes were found to comprise 104.4% of the required minimum volume. Warrant #2, Four-hour Vehicular Volumes — The Four-Hour Vehicular Volumes warrant is also intended for application where volume of intersecting traffic is the The Legends at Bridger Creek 11 Subdivision TIS Page 10 principal reason for consideration of installation of a traffic signal. For the intersection of N. Rouse and Griffin, during the fourth highest traffic hour, the minor leg volume was found to comprise 106.0% of the required minimum value under existing (2005) traffic demand conditions. Warrant #3, Peak Hour— The Peak Hour warrant is intended for application at a location where traffic conditions are such that for a minimum of 1 hour of an average day, the minor-street traffic suffers undue delay when entering or crossing the major street. For the Peak Hour warrant, the need for a traffic signal shall be considered if either of two conditions is found to be met. For this intersection, condition A warranted a signal based upon existing traffic volumes and minor-street delay. Regarding Condition A.1, which considers the total stopped-time delay for the higher volume minor approach, the eastbound approach of Griffin Drive provided 113.4% of the necessary minor approach stopped-time delay. Condition A.2, based upon the higher minor street peak hour volume, was also met at 278.0%. Condition A.3, based upon the total entering intersection volume during the peak hour, exceeded warrants minimums at 144.8%. In addition, Condition B minimum volume demands were also met at 109.4%. Warrant#8, Roadway Network— The Roadway Network warrant may be justified when the concentration and organization of traffic is necessary on a roadway network. It states that the need for a traffic control signal shall be considered if an engineering study finds that the common intersection of two or more major routes meets one or more of a list of criteria which is based upon entering volumes and the functional classification of each route. For the intersection of N. Rouse Avenue with Griffin Drive, the warrant was met at 115.8% of the minimum entering volume criteria. '�' The Legends at Bridger Creek 11 Subdivision TIS Page 11 Turn Lane Warrants Due to the substantial number of eastbound left-turn movements at the Bridger Drive — Story Mill Road intersection during the existing pm design hour, MDT guidelines for the justification of an auxiliary left-turn lane were investigated for the intersection. Criteria regarding a design speed of 70 km/h (45 mph) was referenced and it was found that based upon the advancing and opposing design hour volumes, an eastbound advancing left-turn proportion of 31% would not justify an auxiliary left-turn turn treatment. Appendix E of this report contains the representative left-turn lane warrant worksheet for the intersection. TRIP GENERATION Table 2 below presents a summary of trip generation projections made for Legends II. Within the table, trip generation rates and resulting trip projections for the average weekday and the pm peak hour are illustrated. Trip generation calculations for the development were based upon the specific land use information that was provided by the developer. Trip generation rates were taken from ITE's Trip Generation Report, 7th Edition. ITE land use code 210, representing single-family dwelling units, was used to predict generation totals for the proposed development. Table 2. The Legends II Subdivision TIS Trip Generation Summary ITE Land Use: Single Family Detached Housing (210) Ind. Variable: 125 DUs Weekday P.M. Peak Hour Equation Ln(T) = 0.92 Ln(X)+2.71 Ln(T) = 0.90 Ln(X)+0.53 Total Trips 1277 131 Entering - 83 (63%) Exiting 48 (37%) The gross number of average weekday trips (AWT) for the development was projected to be approximately 1277. The p.m. peak period would account for approximately 131 (10.3%) of those trips, with 63% entering (83 trips) and 37% exiting (48 trips) the development. ruil� The Legends at Bridger Creek 11 Subdivision TIS Page 12 Land use developments typically produce multi-modal trips that include pedestrian, bicycle, and transit trips, in addition to non-transit-related vehicular trips. When evaluating vehicular impacts, they can be removed from the generated trip total that is applied to the external street system via subdivision access points. In the case of Legends II, because of the lack of close-proximity commercial development and/or other attractor-type facilities, pedestrian trip activity would likely be minimal. Also, because Bozeman does not currently have a public transit system relevant to this site, no trips could be attributed therein. In terms of bicycle traffic, the location of the development would not lend itself to a substantial amount of bicycle traffic to or from significant employment or recreational generators. Trip generation potential can be further refined by determining the number of "new" external trips that would appear, as vehicular traffic, at development access points. It is common that, for developments which contain multiple land uses and/or complementary facilities, a portion of trips that would have origins or destinations at such facilities are captured internally. These trips are part of the total trip generation number, but do not have origins or destinations external to the development site, and as such, do not have an impact of the traffic network external to the development. These types of trips are known as "Internal Capture Trips" (ICT). The ITE Trip Generation Handbook contains information regarding procedures for estimating ICT. In the case of Legends II, because only residential development is expected, there would be no substantial internal capture of trips. External trips can be further categorized as primary purpose, diverted link, or passerby purpose trips. Primary purpose trips are trips for which the development is a primary destination from any particular origin. Diverted link trips are trips made to a development as a secondary destination that must be diverted from a path between the origin and primary destination. Passerby trips AMp The Legends at Bridger Creek 11 Subdivision TIS Page 13 are also trips made to a development as a secondary destination, but without a diversion from the primary trip path (i.e., a stop on the way home from work). Passerby trips do not represent "new" trips added to the adjacent street system. Thus, site generated passerby trips must be considered as new external trips (movements) at the site approach or approaches, but should not appear as new trips on the adjacent street system, which constitutes the original trip path. The ITE Trip Generation Report provides methods for estimating passerby trips for a variety of facilities. In this case, because there would be no significant passerby trip attractors (restaurants, retail stores, etc.) included in the development, passerby trips would be negligible. For Legends II, no adjustments regarding pedestrian, bicycle, transit, internal capture, or passerby trips would be appropriate. As such, the net number of "new" external trips that would be added into the traffic stream would equal the gross totals indicated in Table 3. TRIP DISTRIBUTION There are various methods available for determining the directional distribution of trips to and from site developments. For developments within a large urbanized area, the task is best accomplished through the creation of a computerized transportation model of the urban street system, which includes the proposed development changes. When the creation of a model is not feasible, realistic estimates can be made by calculating the distribution of existing traffic volumes on the surrounding street system. The existing distribution can then be applied to newly generated trips, with concessions made based upon the likely trip origins and destinations associated with the particular development land use or uses. For Legends II, a distribution was developed based upon existing volumes and an area of influence method, which considers the least travel time routing to major trip attractors with the community. Figure 4, on the following page, shows a graphical summary of the projected directional trip distribution. As is shown in AWI, The Legends at Bridger Creek 11 Subdivi5ion TIS Pdge 14 10 411 Amok 8% MANA ASSOCIATES I- �% PO I Subd v s Sl L — — ITM LEI 19% II � I1® �0% i Io�c 2%' II 90% UW' Legendi I Access m <1% 2% STORY MILL ROAD 5% 85% 4% �O 0% 55% N.ROUSE AVENUE m 26% c z o� t� Figure 4. Trip Distribution Summary The Leyen$at Bridyer Creek II Subdivi5ion TIS Page 15 the figure, approximately 90% of net "new" trips would be distributed to/from Bridger Canyon Road (Bridger Drive), west of the development. Approximately 8% would be attributable to areas east of the development along Bridger Canyon, and the remaining 2% would have origins or destinations to the north along Story Mill Road and would bypass Bridger Canyon Road, instead accessing Story Mill via the Legends I Subdivision. To the east of the development, the primary segment of trips would then be disseminated to N. Rouse Avenue, Story Mill Road, Griffin Drive and various local production/attraction facilities, proportionately, based upon existing traffic patterns, as indicated in Figure 4. TRAFFIC ASSIGNMENT The assignment of site traffic to a development's street system and site access points is dependent upon several factors. Two such factors are external directional distribution and localized operational site conditions (i.e., the subdivision layout of streets). Distribution proportions are used to provide subdivision access traffic demand estimates. The estimates represent traffic movements to and from the site that would occur if street operations and internal site circulation had no effect on the direction of arrival or departure, other than in relation to the chosen access point. The combined calculation of demand and least time accessibility are then used to estimate likely movement volumes at each individual access point. Turning movements at each access point can then be calculated through the application of the distribution to full development vehicular trip generation totals. For Legends II, the aforementioned external access points on Bridger Canyon Road and Story Mill Road would serve to distribute traffic to and from the development via three access routes. Figure 5, on the following page, illustrates the results of pm design hour and average weekday site-generated traffic �� The Legends at Bridger Creek I I Subdivision TIS Page 16 40. [102] roc AMML � KWN &ASSOCIATES 5 • i loo or 3 Subd v s 814 — ' [238] 8 0 —0 35 61f 0� 14 0 41 0�� ��4 0 — — 0 [20]�� [1155] owl 0—� r— 0 Legend$IIi I Access m I [6] 0 f I0 71 [26]/ STORY MILL ROAD 4:30-5:30 PM [64] 11085] [51] /0� J f 0 [1034] c�o� [0] 27 13 0 [702] —AWT 1 r~1 22 46� 0 � N.ROUSE AVENUE 0 0 [332] c z o� 0 Figure 5. Traffic Assignment Summary A�p The Legends at Bridger Creek I I Subdivision TI5 Page 17 assignment for the subdivision's external access points, as well for both of the potentially impacted external area intersections. FULL BUILDOUT (2010) IMPACTS Traffic Volumes Since the Legends at Bridger Creek Subdivision is currently under construction, and the Creekwood Subdivision would likely be constructed simultaneous to Legends II, a full buildout traffic volume projection was made in order to evaluate area impacts. A five-year (2010) buildout period was assumed. Background traffic with the potentially impacted corridors was increased by 11.5%, based upon the interpolation of recent historical volume data for Rouse Avenue. Background traffic was then combined with traffic assignment volumes from the Legends at Bridger Creek, Creekwood and Legends II Subdivisions in order to arrive at full buildout (2010) traffic volumes. Figure 6 on the following page illustrates the results of full buildout and background increase traffic assignment for the four intersections that have the potential for substantial impact by Legends II site traffic. The intersections of Story Mill Road with either of the Legends at Bridger Creek access points were not included in the analysis, since Legends II would contribute only a miniscule fraction of traffic to those intersections. The intersection of Bridger Drive with Story Mill Road would have the highest potential for impact due to its proximity to each of the three developments included in the analysis. Figure 6 also illustrates existing plus site traffic ADTs and percentage increases, relative to existing ADT, along key project area corridors. Site traffic assignments give an indication of what volume of traffic could potentially be added to the street system during the average weekday (AWT). Yet the percent change in AWT can only be used to identify general locations where impacts could be significant. It is the determination of volume changes AIN�,� The Legends at Bridger Creek 11 Subdivision TIS Page 18 f - 17% ��P A L 3864 [ ] / 6 250 s IS I I \O�/ 4 201 I Subd v s 20 34 - - Cri1 265 ® 1 -1 -3 0 0 0 Cl) 35�� /— 9 w C } ® � 61 115 231 ►-+ 287 �® 6 j 16 II ; 9--,-' '*-12 II c �o 8— —16 W 04 120---,,,, �—13 I Legend i I Access �\ °° 131117 [2708] 50% 286 [2728] 52% STORY MILL ROAD [799] 33% 4:30-5:30 PM n Co n P /2/4 moo? �.ab o° 1 / /6 �✓ �O C 3891�� 166 ` ° ADT 16� ` [10413] 29% — % Increase /j 369 4 N.ROUSE AVENUE 191 197 j N 8 161 p c of Z U. e� t9 Figure 6. 2010 Buildout Traffic Volume Summary ,jjjNj °Z The Legends at Bridger Creek 11 Subdivision T15 Page 19 during peak traffic flow periods that provides specific information on the type and location of impacts that could potentially occur. In almost all cases, it is very difficult to determine ADT on any section of street to within 10% accuracy. Thus, impact analyses on streets with relative percentage increases less than 10% are not normally considered critical. For the 2010 full buildout scenario, all of the potentially impacted corridors would realize substantial increases in ADT, with the exception of Griffin Drive, east of Rouse Avenue. Increases would range in magnitude from 17% (Bridger Canyon Road, east of Creekwood Subdivision) to 61% (Bridger Drive, west of Legends II). Capacity Table 3, on the following page, presents a summary of full buildout (2010) pm design hour capacity calculation results for the four aforementioned potentially impacted area intersections. MOEs in Table 3 include control delay, level of service (LOS), v/c ratio, and vehicle queue length. Peak hour factors for each approach were held the same as for existing conditions, with the exceptions of for the westbound approach of Griffin to Rouse and the northbound approach of Story Mill to Bridger. For those two approaches, the existing count PHFs were found to be extremely low (0.54 for WB Griffin and 0.62 for NB Story Mill). As such, for the full buildout year capacity calculations, the PHFs for those two approaches were approximated based upon the averages of the other three approaches for the particular intersection. For the Legends II access intersections, PHFs of 0.90 were used for all approaches. Calculation results showed that both of the Legends II accesses to Bridger Canyon Road (Bridger Drive) would operate acceptably upon full buildout, with all movements at both of the intersections operating at or above a LOS "B." The Rouse Avenue — Griffin Drive intersection would have the left-thru lane on its eastbound approach continue to operate at an unacceptable LOS T" during the pm design hour, regardless of the addition of site-generated and background increase traffic. In '\ The Legends at BHdger Creek 11 Subdivision TIS Page 20 Table 3. Full Buildout (2010) PM Design Hour Capacity Analysis Summary Intersection I MOE NB SB EB WB Movement Group L L LT R LTR N. Rouse Avenue Control Delay(s/veh) 10.2 8.4 935.8 13.4 77.3 and LOS B A F B F VIC Ratio 0.27 0.00 2.83 0.30 0.28 Griffin Drive Queue Len th 95% 1.1 0.0 22.1 1.2 1.0 Movement Group L TR L I R LTR Bridger Drive Control Delay(s/veh) 35.5 16.5 8.4 8.1 and LOS E C A A VIC Ratio 0.30 0.35 0.14 0.02 Story Mill Road Queue Len th 95%1 1.2 1.6 0.5 0.1 Movement Group LTR LTR LTR LTR R Bridger Canyon Road Control Delay(s/veh) 15.3 10.3 8.0 7.7 and LOS C B A A Headlands Sub Access VIC Ratio 0.04 0.05 0.05 0.00 Queue Length 95% 0.1 0.2 0.2 0.0 Movement Group - LR LT TR Bridger Canyon Road Control Delay(s/veh) - 10.4 7.9 and LOS B A VIC Ratio - 0.04 0.03 Creekwood Sub Access Queue Length(95%) 1 0.1 0.1 addition, LOS for the westbound minor approach would degrade to "F," although the approach volume for that leg would be unlikely to increase substantially. The intersection of Bridger Drive with Story Mill Road would also realize a degradation in level of service, for its northbound, minor approach. That approach would operate at a LOS "E," exhibiting a control delay of 35.5 seconds/vehicle, a v/c ratio of 0.30 and a 95% queue length of 1.2 vehicles. The minimal v/c ratio and queuing are indicative of the low volume demand for the approach, even during the design hour. Capacity calculation worksheets for existing design hour plus site conditions can be found in Appendix B of this report. FUTURE (2025) IMPACTS To provide an assessment of future operations for the Legends II access points on Bridger Canyon Road, background volume increases for the corridor were projected for the year 2025. Historical volume data from the Rouse Avenue corridor was once again used to project background traffic growth. By the year 2025, an increase in background traffic of approximately 64.4% would result. The projected background traffic volumes were then combined with site traffic `� The Legends at Bridger Creek II Subdivision TIS Page 21 approach turning movements from the Creekwood and Legends II Subdivisions, and unsignalized capacity calculations were conducted. Calculation results showed that both of the subdivision access intersections would continue to operate acceptably, with all movements exhibiting a LOS "C" or better and nominal approach delays. IMPACT MITIGATION Site Access For MDT to grant an access approach on a state highway, it is critical that adequate intersection sight distance (ISD) be available at that location. As such, sight distance measurements and ISD calculations were made for the proposed primary Legends II access. A 50 mph (80 km/h) design speed was assumed for the major roadway based upon existing speed zones and the results of the aforementioned spot speed study. Since the subdivision would be residential in nature, a passenger car was chosen as the design vehicle. Calculation results showed that a sight distance of approximately 560' (170 m) would be necessary for both right and left-turning vehicles at each approach. That distance would also be adequate for thru-movement vehicles, since the roadway is only two lanes. Since the access in question would exist within a tangent section of roadway, with substantial sight distance (>1000 ft) in either direction, additional calculations were not necessary. Appropriate design sight distance would be available for the approach in both travel directions. Turn Lane Warrants Through an increase in background traffic and the assignment of site-generated traffic from Legends at Bridger Creek Subdivision, buildout year (2010) pm design hour eastbound left-turn movements at the Bridger Drive — Story Mill Road intersection would increase by approximately 64% over the existing design hour and would comprise 30% of the eastbound approach volume. As such, The Legends at Bridger Creek 11 Subdivision TIS Page 22 auxiliary turn lane warrants were again investigated for the approach. It was found that based upon the increases in advancing and opposing design hour volumes, consideration of an auxiliary left-turn turn treatment would be warranted. A similar investigation was conducted for the eastbound approach of Bridger Drive to the proposed primary Legends II access (and Headlands Subdivision access) approach. For that approach, left turn movements comprise approximately 20% of the approach demand. Investigation results showed that consideration of an auxiliary left-turn lane would be warranted based upon the projected buildout year (2010) volume demand. The eastbound approach of Bridger Drive to the shared access between Legends II and the Creekwood Subdivision was also investigated in terms of auxiliary left-turn lane warrants. Calculations showed that the approach would not have a volume demand that would warrant a left-turn treatment in 2010. A similar analysis for the year 2025 showed that consideration of an eastbound left-turn lane treatment for that location could only be marginally justified, based upon a left-turn demand of approximately 10%. Appendix E of this report contains the representative full buildout (2010) and future (2025) year left-turn lane warrant worksheets for the analyzed intersections. Traffic Signal Warrants As was demonstrated in the Creekwood Subdivision TIS, four of the eight MUTCD traffic signal warrants are currently met under existing traffic volume demand conditions for the intersection of N. Rouse Avenue with Griffin Drive. IN addition, MDT is currently in the design process of the reconstruction of N. Roues Avenue and it is anticipated that operational deficiencies at the Griffin Drive intersection would be addressed through that project. Therefore, additional traffic signal warrant investigations for buildout year (2010) conditions at the intersection were not necessary. The Legends at Bridger Creek II Subdivision TIS Page 23 For the intersection of Bridger Drive with Story Mill Road, the addition of site- generated traffic from the Legends at Bridger Creek, Creekwood and Legends II Subdivisions would cause a degradation in level of service for the northbound intersection approach, that would result in a buildout year (2010) LOS "D." Although an eastbound left-turn lane would be warranted by 2010, the addition of such a lane would not improve the northbound approach LOS. The investigation of all-way stop control indicated that the intersection would operate acceptably with buildout year (2010) traffic demands in place and a reasonable amount of reserve capacity would remain. An all-way stop control capacity analysis worksheet can be found in Appendix B of this report. An investigation of traffic signal warrants was conducted for the intersection, based upon projected daily buildout year volume demands. Results of the warrant investigation indicated that no warrants would be met in 2010. RECOMMENDATIONS As it is currently proposed, the development of the Legends II Subdivision would, in combination with the Legends at Bridger Creek and Creekwood Subdivisions, have a substantial effect on corridor traffic and intersection turning movement volumes within the surrounding area. Increases in ADT of 61% could be expected west of the project site upon full buildout, which is projected to be complete by approximately 2010. In terms of intersection capacity, the addition of full buildout site and background traffic would also cause a degradation in pm design hour LOS for the northbound approach of Story Mill Road to Bridger Drive. The addition of an auxiliary left-turn lane for the eastbound approach, which would be warranted based upon 2010 volume demands, would not mitigate the projected LOS deficiency. However, all-way stop control would adequately mitigate all capacity issues at the intersection through full buildout (2010), with substantial reserve capacity. Note that an eastbound left-turn lane would not be required, based upon previously discussed warrants, if all-way stop control was implemented. If signalization of the intersection is warranted at some point in the future, the developer of Legends II should be held responsible for The Legends at Bridget Creek I I subdivision TIS Page 24 improvement costs commensurate only with the relative traffic volume demand attributed to Legends II. Regarding the N. Rouse Avenue - Griffin Drive intersection, existing capacity problems would be further magnified through the addition of site-generated demand from Legends II. However, it is assumed that the planned reconstruction of that intersection would mitigate the existing intersection deficiencies in advance of the construction of Legends II. A full buildout year (2010) signalized capacity calculation was performed for the intersection of N. Rouse Avenue and Griffin Drive, without any geometric improvements, using the SigCinema 2000 software package. Calculation results showed that the intersection would operate acceptably under existing plus site pm design hour traffic volume demands, with a substantial amount of reserve capacity. The intersection as a whole would operate at a LOS "B", with 14.8 seconds/vehicle of average intersection delay, and a v/c ratio of 0.66. All individual approach movements would operate at or above a LOS "C," or better. Appendix B contains a signalized capacity calculation worksheet for the intersection. Although a traffic signal would mitigate any operational concerns regarding traffic control at the N. Rouse Avenue — Griffin Drive intersection, additional concerns regarding safety may be introduced through the implementation of signalized control. Because the intersection exists within a substantial horizontal curve, sight distances are not ideal for driver recognition of signal changes and/or the type of legal, conflicting minor street movements (right turns on red for example) that repeatedly occur at signalized intersections. As such, a reduction in accidents may not occur as a result of signalization. Therefore, it is recommended that a roundabout be considered as an alternative to signalization. The intersection's unusual orientation lends itself more readily to a roundabout configuration than a signal. The sight distance issue would be negated, since approaching vehicles would be forced to greatly reduce their speeds to negotiate The Legends at Bridget Creek 11 subdivision TIS Page 25 the roundabout. In addition, roundabouts are widely renowned for reducing the frequency and severity of accidents when compared with signalized control. Regarding the proposed primary access approach for Legends II, sight distance availability was investigated and found to be more than adequate, based upon current MDT standards. The projection of future (2025) background volumes was not found to have a substantial negative effect on capacity at either of the subdivision access approaches to Bridger Drive. However, the investigation of mainline auxiliary left and lanes for the approaches showed that the eastbound approach to the Legends II primary access (shared with Headlands Subdivision) would experience a left-turn demand that would warrant consideration of a left- turn lane treatment by the year 2010. A similar investigation showed that consideration of a left-turn lane would be only marginally warranted for the shared Legends II/Creekwood access, based upon project 2025 traffic volumes. As an eastbound left-turn treatment would be only marginally justifiable 20 years from the present, it may not be cost-effective to construct such a lane for that approach, since it is likely that future thru traffic increases will eventually warrant construction of a continuous left turn lane section throughout the entire corridor. For the primary Legends II approach, the auxiliary left turn lane should be constructed prior to the full development of the subdivision. Figure 7, on the following page, illustrates the minimum geometric requirements for construction of a left-turn lane for the main Legends II access street to Bridger Canyon Drive based on a 50 mph design speed. An opposing westbound left- turn lane, which would be a mirror image of the eastbound left-turn lane would normally be desirable. However, there are numerous driveway approaches entering Bridger Canyon Road from the north, east of the intersection, that would require conflicting left-turn movements within the dedicated eastbound left-turn lane. As a design option, it is suggested that the east side of the intersection be �� 9enc s at The Le Brig er Creek I I Subdivision TIS Page 26 9 wow AVIRVIN a<ASSOCUUSS Either Mirror Image of West Side or Use Optional Configuration f As Shown 50:1 Tapers 300' o 90'-100' LEGENDS II APPROACH Existing Street Access q q A Shl Thru L urn Thru Shid ' 4' 12' 12' 12' 4' 475' Widen Won Each Side q of Bridger Canyon Road o 80' Total Length 15:1 Taper One Side =825' 50:1 Taper— NOTE: If widening is only possible on one 01W side,trasition tapers will extend an additional 300'on each end of the project. z 300 c� oe W Design Speed = 50 mph t9 G oe m � Figure 7. Legends Access Left Turn Lane Layout The Legends at Bridger Creek II Subdivision TIS Page 27 tapered back to match the existing roadway section. This would allow relatively unconflicted eastbound left-turns into the driveway approaches from the eastbound thru-lane. Since there is currently no traffic demand associated with the westbound left-turn to the existing street south of Bridger Canyon Road and future development is not expected to create a significant demand, the optional design would provide an operating environment more commensurate with projected traffic movements. From the foregoing analysis, it is concluded that both of the proposed approaches to Bridger Canyon Road would operate in an acceptable manner in terms of level of service under existing conditions and well into the future. The combined developments of the Legends at Bridger Creek, Creekwood and Legends II Subdivisions would have an adverse impact on LOS for the Bridger Drive — Story Mill Road intersection, which would eventually warrant signalization. However, as an interim improvement measure, all-way stop control would reasonably mitigate capacity concerns through and beyond the projected full buildout of all three subdivisions. When the time comes to construct a traffic signal for the intersection, Edgefield L.L.C. should be held responsible only for a proportionate share of improvement costs, as background traffic increases and site-generated traffic from additional area development will also contribute to the operational degradation of the intersection. AN The Legends at Mdgev Creek II subdivision TIS Page 28 APPENDIX A - TRAFFIC VOLUMES Bridger Canyon Rd. - Station #1 - Eastbound Volume Distribution Hour 2/1/2005 2/2/2005 Average %of Begin Tuesday Wednesday Day Day 1 3 3 0.2% 2 5 5 0.3% 3 4 4 0.2% 4 3 3 0.2% 5 8 8 0.5% 6 35 35 2.1% 7 94 94 5.6% 8 126 126 7.5% 9 118 118 7.0% 10 105 105 6.2% 11 114 114 6.8% 12 117 117 6.9% 13 148 148 8.8% 14 117 117 6.9% 15 112 112 6.7% 16 155 155 9.2% 17 158 158 9.4% 18 81 81 4.8% 19 59 59 3.5% 20 53 53 3.1% 21 37 37 2.2% 22 17 17 1.0% 23 12 12 0.7% 24 3 3 0.2% Total 952 732 1684 100.0% Bridger Canyon Rd.=Station #1 - Eastbound 10.0%- 9;0%- -....._._..........__......_................_......... __... A8.0%" ------._..........W..._...,_---- __ _.. _.........._.. ._...... __.._..._ _.._. 7.0°6 ......_._..__...r.. _ ......_.__ .._.................. ____.... 6.0% ....... .»__..._ _ _ _ ............. _...»...w._.._....».... 5.0°b ._... _..... _.........____ __. .. _ a3.0% ...... ... ..__. ..... ..................... i2.0°6 _.................F 0.0% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18'19 20 21 22 23 24 Hour of Day(Beginuing)_ 0 Hourly%of Volume Bridger Canyon Rd. - Station #1 -Westbound Volume Distribution Hour 2/1/2005 2/2/2005 Average %of Begin Tuesday Wednesday Day Day 1 4 4 0.2% 2 2 2 0.1% 3 5 5 0.3% 4 6 6 0.3% 5 15 15 0.9% 6 46 46 2.6% 7 132 132 7.5% 8 129 129 7.4% 9 93 93 5.3% 10 97 97 5.5% 11 122 122 7.0% 12 103 103 5.9% 13 144 144 8.2% 14 163 163 9.3% 15 165 165 9.4% 16 235 235 13.4% 17 138 138 7.9% 18 84 84 4.8% 19 31 31 1.8% 20 13 13 0.7% 21 9 9 0.5% 22 12 12 0.7% 23 4 4 0.2% 24 2 2 0.1% Total 1000 754 1754 100.0% Bridger Canyon Rd.- Station #1 -Westbound 16.0% W' 14.0% -.. - »». __.. _..__ »...__....»... ».»....».................._. ..._».. ... _. Q 12.096 ».»».......». . .............»......»................... ..... _. .».. __..._.....- a, c 8:0% .................__.»..._........._..._......._._».. _ »......._..._... ........_-_... ..__».. aW� 4.0°6 _»_..__.. _ ...............I.......... w 2.096 0.0% 1 2 3 4 5 6 7 8 9 10 11 12 1314 t.5i16 17-i8 18 20,21 22 23 24 Hour of Dny.(ftinnipgJ 0 Hourly%of Volume Bridger Canyon Rd. - Station #1 - Both Directions Hour 2/1/2005 2/2/2005 Average %of Begin Tuesday Wednesday Day Day 1 7 7 0.2% 2 7 7 0.2% 3 9 9 0.3% 4 9 9 0.3% 5 23 23 0.7% 6 81 81 2.4% 7 226 226 6.6% 8 255 255 7.4% 9 211 211 6.1% 10 202 202 5.9% 11 236 236 6.9% 12 220 220 6.4% 13 292 292 8.5% 14 280 280 8.1% 15 277 277 6.1% 16 390 390 11.3% 17 296 296 8.6% 18 165 165 4.8% 19 90 90 2.6% 20 66 66 1.9% 21 46 46 1.3% 22 29 29 0.8% 23 16 16 0.5% 24 5 5 0.1% Total 1952 1486 3438 100.0% Bridger Canyon Rd. - Station #1 12,0 aEE, 8.0% . ...................._..__-----------------_..._._.------.....................- - ------...._._.....__..W..._-------.......... do 6.0% ........._....._......_.._ _... .._..... ... _ ... ._ll ... .. _.. o , q a 11 0.0% 1 2 3 4 5 6 7 8 9 1b it'12 i31d t5';46`17 48�f 20:2t 22 2324 Hour of Day(Beginuin�►J ■Hourly%of Volume APPENDIX B - CAPACITY CALCULATIONS Two-Way Stop Control Page 1 of 2 TWO-WAY STOP CONTROL SUMMARY General Information Site OM!on 'lyst D.J. Clark Intersection BridgerCanyon/Headlands nyency/Co. Marvin &Associats Appr. Date Performed 101512005 Jurisdiction EXISTING Analysis Time Period PM Design Hour Analysis Year 2005 Project Description The Legends II Subdivision TIS East/West Street: Brill er Canyon Road North/South Street: Headlands Sub Access Approach, Intersection Orientation: East-West IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Im Major Street I Eastbound Westbound Movement 1 1 2 3 4 5 6 L T R L T R Volume veh/h 0 170 5 1 214 0 Peak=hour ,factor, PHF 0.90 0.90 0.90 0:90 0.90 0-90 Hourly Flow Rate veh/h) 0 188 5 1 237 0 Proportion of heavy vehicles, PHv 0 - -- 0 -- - Median type Undivided RT Channelized? 1 _ 0 Lanes 0 1 1 0 1 0 1 0 Configuration TR LT Upstream Signal 0 0 Minor Street Northbound Southbound �^,,vement 1 7 8 9 10 11 12 L T R L T R Volume (veh/h) 3 0 1 0 0 0 Peak-hour factor, PHF 0.90 0,90 0.90 0.90 0.90 0.90 Hourly Flow Rate (veh/h) 3 0 1 0 0 0 Proportion of heavy vehicles, PHv 0 0 0 2 2 2 Percent grade(%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 0 0 0 0 0 Configuration LR Control.Delay, Queue Length, Level of Service Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR Volume, v (vph) 1 4 Capacity, cm (vph) 1398 637 v/c ratio 0.00 0.01 Queue length (95%) 0.00 0.02 Control Delay (s/veh) 7.6 10.7 A B Approach delay (s/veh) -- -- 10.7 Approach LOS -- -- B Copyright®2003 University of Florida,All Rights Reserved Version 4.ld file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k62.tmp 10/18/2005 Two-Way Stop Control Page 1 of 1 TWO-WAY STOP CONTROL SUMMARY General Information Site Inform" n Analyst D.J. Clark Intersection Rouse/Griffin icy/Co. Marvin &Associats Jurisdiction EXISTING Date Performed 101512005 Analysis Year 2005 Analysis Time Period PM Design Hour Project Description The Legends II Subdivision TIS East/West Street: Griffin Drive North/South Street: Rouse Avenue Intersection Orientation North-South IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 1 6 L T R L T R Volume 177 249 14 1 300 124 Peak-Hour Factor, PHF 0.78 0.78 0.78 0.87 1 0.87 1 0.87 Hourly Flow Rate, HFR 226 _ 319 17 1 344 142 Percent Heavy Vehicles 2 - -- 2 -- -- Median Type Undivided RT Channelized 0 0 Lanes 1 1 0 1 1 1 Configuration L TR L T R Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R Volume 5 8 2 127 7 144 r *-Hour Factor, PHF 0.54 0.54 0.54 0.88 0.88 0.88 , irly Flow Rate, HFR 9 14 3 144 7 163 Percent Heavy Vehicles 2 2 2 2 2 2 Percent Grade(%) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 1 Lanes 0 1 0 0 1 1 Configuration LTR LT R Delay, Queue Length, and Level of Service Approach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration L L LTR LTA v(vph) 226 1 26 151 163 C (m) (vph) 1077 1223 131 140 I 699 v/c 0.21 0.00 0.20 1.0811 0.23 95% queue length 0.79 0.00 0.70 8.24 0.90 Control Delay 9.2 7.9 39.2 161.5 11.7 LOS A A E F B Approach Delay -- -- 39.2 83.7 Approach LOS -- -- E F P 'its Reserved h......000TM Copyright C 2003 University of Florida,All Rights Reserved Version•l_1 d Version 4.1 d file:HC:\Documents and Settings\dj_2\Local Settings\Temp\u2klC.tmp 10/17/2005 Two-Way Stop Control Page 1 of 1 TWO-WAY STOP CONTROL SUMMARY General Information Site Information A^alyst D.J. Clark Intersection Bridger/Story Mill :ncy/Co. Marvin &Associats Jurisdiction EXISTING Date Performed 10/5/2005 Analysis Year 2005 Analysis Time Period PM Design Hour Project Description The Legends Ill Subdivision TIS East/West Street: Bridger Drive North/South Street: Story Mill Road Intersection Orientation: East-West IStudy Period hrs : 0.25 Vehicle Volumes and Adiastments 47 Major Street I Eastbound Westbound Movement 1 1 2 3 4 5 6 L T R L T R Volume veh/h 80 164 15 12 203 2 Peak-hour factor, PHF 0.74 0.74 1 0.74 0.84 0,84 0.84 Hourly Flow Rate (veh/h) 108 1 221 20 14 241 2 Proportion of heavy vehicles, P 0 -- — 0 — -- Median type Undivided RT Channelized? 1 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Upstream Signal 0 0 Minor Street Northbound Southbound Movement 7 8 9 10 11 12 L T R L T R ime veh/h 12 13 5 6 5 87 Peak-hour factor, PHF 0.62 0.62 0.62 0,80 0.80 0.80 Hourly Flow Rate (veh/h) 19 20 8 7 6 108 Proportion of heavy � 0 0 0 2 2 2 vehicles, P Percent grade (%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Control Dellay,Queue Len-th Level of Service Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LTR LTR LTR LTR Volume, v (vph) I 108 14 I 47 121 Capacity, cm (vph) 1335 1360 316 679 v/c ratio 0.08 0.01 0.15 0.18 Queue length (95%) 0.26 0.03 0.52 0.64 Control Delay (s/veh) 7.9 7.7 18.4 11.4 1 ^S A A C B ,roach delay (s/veh) -- -- 18.4 11.4 Approach LOS -- - C 19 lics10o0I" Copyright®2003 University ofFlorida,All Rights Reserved Version,t Id file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2klF.tmp 10/17/2005 Two-Way Stop Control Page 1 of 2 TWO-WAY STOP CONTROL SUMMARY General Information Site Information 'lyst D.J. Clark Intersection BridgerCanyon/Headlands ,-,yency/Co. Marvin &Associats Appr. Date Performed 101512005 Jurisdiction FULL BUILDOUT Analysis Time Period PM Design Hour Analysis Year 2010 Project Description The Legends lI Subdivision TIS East/West Street: Brid er Canyon Road North/South Street: Headlands Sub Access Approach Intersection Orientation: East-West Study Period hrs : 0.25 77d Vehicle Volumes and Adjustments Major Street Eastbound Westbound Movement 1 2 1 3 4 5 6 L T R L T R Volume veh/h 61 231 15 3 265 2 Peak-hour factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate (veh/h) 67 256 16 3 294 2 Proportion of heavy 0 -- -- 0 — -- vehicles, PHv Median type Undivided RT Channelized? 1 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Upstream Signal 0 0 Minor Street Northbound Southbound Movement 7 8 9 10 11 12 _ L T R L T R Volume (veh/h) 9 0 3 1 0 35 Peak-hour factor, PHF 0.90 0.90 0.90 0.90 0.90 090 Hourly Flow Rate (veh/h) 10 0 3 1 0 38 Proportion of heavy vehicles, PHv 0 0 0 2 2 2 Percent grade (%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Control Dela . Queue Len th Level of Service - Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LTR LTR LTR LTR Volume, v (vph) 67 3 13 39 Capacity, cm (vph) 1277 1321 363 721 v/c ratio I 0.05 0.00 0.04 0.05 Queue length (95%) 0.17 I 0.01 I 0.11 I I 0.17 Control Delay (s/veh) 8.0 7.7 I 15..3 I I I 10.3 A A I C 8 Approach delay (s/veh) -- -- 15.3 10.3 Approach LOS -- -- C B Copyright C 2003 Unrversm of Florida,Ali Rights Reserved %1(,Twn 4 id file:HC:\Documents and Settings\dj_2\Local Settings\Temp\u2k59.tmp 10/18/2005 Two-Way Stop Control Page 1 of 2 TWO-WAY STOP CONTROL SUMMARY General Information Site Information tlyst D.J. Clark Intersection Bridger Canyon/Creekwood Agency/Co. Marvin &Associats Appr. Jurisdiction FULL BUILDOUT Date Performed 101512005 Analysis Year 2010 Analysis Time Period PM Design Hour Project Description The Legends II Subdivision TIS East/West Street: Brid er Canyon Road North/South Street: Creekwood Sub Access Approach Intersection Orientation: East-West IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Major Street Eastbound Westbound Movement 1 2 3 4 1 5 6 L T R L I T R Volume veh/h 34 201 0 0 250 6 Peak-hour factor, PHF 0.90 0.90 0.90 1 0.90 0.90 0.90 Hourly Flow Rate veh/h) 37 223 0 0 277 6 Proportion of heavy vehicles, PHv 0 - 0 Median type T Undivided RT Channellzed? 1 0 Lanes 0 1 0 0 1 0 Configuration LT TR Upstream Signal 0 0 Minor Street Northbound Southbound �"-vement 7 8 9 10 11 12 L T R L T R Volume veh/h 0 0 0 4 0 20 Peak-hour factor, PHF 0.90 090 0.90 0.90 0.90 0.90 Hourly Flow Rate (veh/h) 0 0 0 4 0 22 Proportion of heavy vehicles, PHv 0 0 0 2 2 2 Percent grade (%) 0 0 Flared approach N IN Storage 0 0 RT Channelized? 0 0 Lanes 0 0 0 0 0 0 Configuration d LR Control Dela ueue Length, Level of Service Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR Volume, v (vph) 37 26 Capacity, cm (vph) 1291 691 v/c ratio 0.03 0.04 Queue length (95%) 0.09 0.12 Control Delay (s/veh) 7.9 10.4 A _� B Approach delay (s/veh) -- -- 10.4 Approach LOS -- -- B Copyright C 2003 Universit> ofllorida,All Rights Resetved :, Version 4 1d file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k78.tmp 10/19/2005 Two-Way Stop Control Page 1 of 1 TWO-WAY STOP CONTROL SUMMARY General Information Site Information 'alyst D.J. Clark Intersection Bridger/Story Mill �ency/Co. Marvin &Associats Jurisdiction FULL BUILDOUT Date Performed 101512005 Analysis Year 2010 Analysis Time Period PM Design Hour Project Description The Legends 11 Subdivision T1S East/West Street: Brid er Drive North/South Street: Story Mill Road Intersection Orientation: East-West Stud Period hrs : 0.25 Vehicle VoYumes and Adjustments Major Street Eastbound Westbound Movement 1 2 3 4 5 6 L T R L T R Volume veh/h 131 286 17 16 287 6 Peak-hour factor, PHF 0.74 0.74 0.74 0.84 0.84 0.84 Hourly Flow Rate (veh/h) 177 366 22 19 341 7 Proportion of heavy vehicles, PHv 0 — — 0 — — Median type Undivided RT Channelized? 1 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Upstream Signal 0 1 0 Minor Street Northbound Southbound Movement 7 1 8 1 9 10 11 12 L T R L T R _,ume veh/h 13 16 12 9 8 120 Peak-hour factor, PHF 0.79 0:79 0.79 0.80 0.80 0.80 Hourly Flow Rate (veh/h) 16 20 15 11 9 149 Proportion of heavy vehicles, PHv 0 0 0 2 2 2 Percent grade (%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Control Delay, Queue Length, Level of Service Approach EB WB I Northbound Southbound Movement 1 4 7 =8 9 10 11 12 Lane Configuration LTR LTR LTR LTR Volume, v (vph) 177 19 I 51 169 Capacity, cm (vph) 1222 1184 168 480 v/c ratio 0.14 0.02 0.30 0.35 Queue length (95%) 0.51 0.05 1.21 1.57 Control Delay (s/veh) 8.4 8.1 35.5 16.5 ' ^S A A E C ,roach delay (s/veh) -- -- 35.5 16.5 Approach LOS -- -- E C HCS:000rM Co1wrighl',i_"200311ntvetsity oCFhorida.All Rights Ruse rved Version Id file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k28.tmp 10/18/2005 Two-Way Stop Control Page 1 of 1 TWO-WAY STOP CONTROL SUMMARY General Information . ..- Site MR "nalyst D.J. Clark Intersection Bridger/Story Mill ancy/Co. Marvin &Associats Jurisdiction FULL BUILDOUT-EB Left Date Performed 101512005 Analysis Year 2010 Analysis Time Period PM Design Hour Project Description The Legends 11 Subdivision TIS East/West Street: Brid er Drive North/South Street: Story Mill Road Intersection Orientation: East-West IStudy Period hrs : 0.25 Vehicle Volumes and Ad'ustments Major Street Eastbound Westbound Movement 1 2 3 4 5 6 L T R L T R Volume veh/h 131 286 17 16 287 6 Peak-hour factor, PHF 0.74 0.74 0.74 0.84 0.84 0.84 Hourly Flow Rate (veh/h) 177 386 22 1 19 341 7 Proportion of heavy vehicles, P. 0 _ - 0 — Median type Undivided RT Channelized? 1 0 Lanes 1 1 0 0 1 0 Configuration L TR LTR Upstream Signal 0 0 Minor Street Northbound Southbound Movement 7 8 9 10 11 12 L I T R L T R ,,ume (veh/h) 13 16 12 9 8 120 Peak-hour factor, PHF 0.79 O.79 0.79 0.80 0.80 0.80 Hourly Flow Rate (veh/h) 16 20 15 11 9 149 Proportion of heavy vehicles, PHV 0 0 0 2 2 2 Percent grade (%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Control Delay, Queue Len th Level of Service Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration L LTR LTR LTR Volume, v (vph) 177 19 51 169 Capacity, cm (vph) 1222 1184 175 489 v/c ratio 0.14 0.02 0.29 0.35 Queue length (95%) 0.51 0.05 1.15 1.53 Control Delay (s/veh) 8.4 8.1 33.8 I 16.2 ' '`S A A D li C , ,,proach delay (s/veh) -- -- 33.8 16.2 Approach LOS -- — D C /1c32000TM Copyright®2003 University of Florida,All Rights Reserved Version,; I d file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k81.tmp 10/19/2005 Two-Way Stop Control Page 1 of 1 TWO-WAY STOP CONTROL SUMMARY General Information .,_ Site Informat o Pnalyst D.J. Clark Intersection Rouse/Griffin :ncy/Co. Marvin &Associats Jurisdiction FULL BUILDOUT Date Performed 101512005 Analysis Year 2010 Analysis Time Period PM Design Hour Project Description The Legends 11 Subdivision TIS Eastf West Street: Griffin North/South Street: Rouse Intersection Orientation: North-South IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R Volume 197 369 16 1 389 166 Peak-Hour Factor, PHF 0.78 0.78 0.7& 0.87 0,87 087 Hourly Flow Rate, HFR ' 473 1 20 1 1 447 190 Percent Heavy Vehicles 2 2 — Median Type _ Undivided RT Channelized 0 0 Lanes 1 1 0 1 1 1 Configuration L TR L T R ,Upstream Signal 0 ! 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R Volume 6 9 2 191 161 -ik-Hour Factor, PHF 0.84 0.84 0.84 0.68. 0.88 0.88 . .,urly Flow Rate, HFR 7 110 1 2 i 217 9 182 Percent Heavy Vehicles 2 2 2 2 2 2 Percent Grade (%) I 0 0 Flared Approach N N Storage 0 0 RT Channelized I 0 1 Lanes 0 1 0 0 1 1 Configuration LTR LT R Delay, Queue Length, and Level of Service Approach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration L L LTR LT R v (vph) 252 1 19 226 182 C (m) (vph) 947 1071 68 80 612 v/c 0.27 0.00 0.28 2.83 0.30 95% queue length 1.07 0.00 1.00 22.09 1,24 Control Delay 10.B2 A 7F3 935.8 B.8 13.4 LOS Approach Delay -- -- 77.3 I 524.3 Approach LOS -- -- F F hts Reserved I, 20001�{ Copyright C 2003 University of Florida,All Rights Reserved Version.t Id Vernon 4.1d file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k2B.tmp 10/18/2005 All-Way Stop Control Page 1 of 1 ALL-WAY STOP CONTROL ANALYSIS General Information Site Informatio i Analyst D.J. Clark Intersection Bndger/Story Mill -cy/Co. Marvin&Associates Jurisdiction FULL BUILDOUT _,a Performed 10/19/2005 Analysis Year 2010 Analysis Time Period PM Design Hour Project ID The Legends 11 Subdivision TIS East/West Street Story Miff Road North/South Street: Bridger Dove Volume Adjustments and Site Characteristics Approach Eastbound Westbound Movement L T R L T R Volume J 131 286 17 16 287 6 %Thrus Left Lane 50 I 50 Approach Northbound Southbound Movement L T R t_ T R Volume 13 16 12 9 8 120 %Thrus Left Lane 50 50 Eastbound Westbound Northbound Southbound 1_1 L2 L1 1_2 L1 L2 L1 L2 Configuration LTR LTR LTR LTR PH F 0.74 1 0.84 0.79 0.80 Flow Rate 585 1 367 51 169 %Heavy Vehicles 0 0 0 No Lanes 1 1 1 1 Geometry Group 1 1 1 1 Duration,T _ 0,25 Saturation Headway Adjustment Worksheet ir Left-Turns 0.3 1 0.1 0.3 ,.Right-Turns 0.0 0.0 0.3 0.9 Prop. Heavy Vehicle hLT-adj 0.2 0.2 1 0.2 I 0.2 1 0.2 0.2 0.2 0.2 hRT-adj -0.6 -0.6 -0.6 -0.6 -0.6 0.6 -0.6 -0.6 ihHV-adj I 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1 7 hadj,computed 5.22 5.22 5:22 5.22 Departure Headway and Service Time hd,initial value 3.20 3.20 3,20 1 3.20 x,initial 0.52 0.33 0.05 0.15 hd.final value 522 5,22 5.22 5.22 x.final value 0.85 I 0.56 0.10 0.28 Move-up time,m 2.Q 1 2.0 2.0 2.0 Service Time 1 3.2 3.2 3.2 3.2 Capacity and Level of Service Eastbound Westbound I Northbound Southbound L1 L2 L1 L2 L1 L2 L1 L2 Capacity 682 617 301 419 Delay 30.23 15.16 10.44 11.27 LOS D C B B Approach:Delay 30.23 15.16 10.44 11:27 LOS D C B B 1r",rsection Delay 21.92 ;ectton LOS I C IIC'S20001'�'t Copyright C 2003 University of-Florida,All Rights Reserved Version 4 Id file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k86.tmp 10/19/2005 HCM Analysis Summary 2010 Full Buildout Griffin Drive/N. Rouse Avenue Area Type:Non CBD D.J. Clark 10/19/2005 Analysis Duration: 15 mins. PM Design Hour Case: GRIFFIN-ROUSE SIGNAL Lanes Geometry:Movements Serviced by Lane and Lane Widths (feet) Approach Outbound Lane 1 Lane 2 Lane 3 Lane 4 Lane 5 Lane 6 EB 2 1 LT 12.0 R 12.0 WB 1 1 LTR 12.0 NB 2 1 L 12.0 TR 12.0 SB 2 1 L 12.0 TR 12.0 East West North South Data L-T T R L T R L T R L T R Movement Volume h 191 12 161 6 9 2 197 369 16 1 389 166 PHF 0.88 0.88 0.88 0.84 0.84 0.84 0.78 0.78 0.78 0.87 0.87 0.87 %Heavy Vehicles 2 2 2 2 2 2 2 2 2 2 2 2 Lane Groups LT R LTR L TR L TR Arrival Type 3 3 3 3 3 3 3 RTOR Vol h 50 1 5 50 Peds/Hour 0 0 0 0 %Grade 0 0 0 0 Buses/Hour 0 0 0 0 Parkers/Hour(LeftIRight) II --- I --- I --- - --- -- I --- Si nal Settin s:Actuated Operational Analysis Cycle Length: 53.0 Sec Lost Time Per Cycle: 8.0 Sec Phase: 1 2 3 4 5 6 7 8 Ped Only EB LTP LTP WB LTP NB LTP SB LTP Green 6.0 8.0 28.0 0 Yellowl All Red 1 3.01 0.01 3.01 1.01 3.0 L 1.0 Cain) itv Analysis Results Approach: Lanet20 v/s g/C Lane v/c Delay Delay EB * LT per 0.021 0.226 16.1 B * LT pro 0.113 0.113 LT 0.443 17.0 B R 0.080 0.321 R 0.248 14.4 B WB LTR 238 0.012 0.151 LTR 0.080 20.0 B 20.0 B NB * L 315 0.424 0.528 L 0.803 29.4 C 16.5 B TR 980 0.263 0.528 TR 0.497 9.8 A SB L 388 0.001 0.528 L 0.003 5.9 A 11.6 B TR 950 0.322 0.528 TR 0.611 11.6 B Intersection:Delay= 14.8 sec/veh Int.LOS=B Xc 0.66 *Critical Lane Group 2(v/s)Crit=0.56 SIG/Cinema v3.03 Page I NETSIM Summary Results 2010 Full Buildout Griffin Drive/N. Rouse Avenue D.J. Clark 10/19/2005 PM Design Hour Case: GRIFFIN-ROUSE SIGNAL =j Queues Spillback in Per Lane Average Worst Lane Lane Avg/Max Speed (%of Peak 389 App Group (veh) (mph) Period) 166 11II + 4 EB LT 3 / 4 15.8 0.0 R 1 / 2 19.5 0.0 L 2 All 16.8 0.0 9 1'�l �- 6 WB LTR 1 / 1 10.2 0.0 - — —z 1I All 10.2 0.0 191 2 ` ,I � 161 —Z NB L 12/ 19 1.1 36.6 TR 7/ 16 5.9 14.9 t 197116 369 All 4.0 36.6 SB L 0/ 0 0.0 0.0 - 2 - - s TR 4/ 6 17.8 0.0 r 6 + 3 0 8 + 3 1 28 i 3 1 All 17.8 0.0 Intersect. 7.6 SIG/Cinema v3.03 Page 2 Two-Way Stop Control Page 1 of 2 TWO-WAY STOP CONTROL SUMMARY General Information Site Information tlyst D.J. Clark Intersection Bridger Canyon/Creekwood Appr,yency/Co. Marvin &Associats Jurisdiction FUTURE Date Performed 101512005 Analysis Year 2025 Analysis Time Period PM Design Hour Project Description The Legends // Subdivision TIS East/West Street: Brid er Canyon Road North/South Street: Creekwood Sub Access Approach Intersection Orientations East-West IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Major Street Eastbound Westbound Movement 1 2 3 5 6 L T I R L T R Volume veh/h) 34 293 0 0 366 6 Peak-hour factor. PHF 0.90 0.90 0.90 0.90 ' 0.90 0.90 Hourly Flow Rate(veh/h) 37 325 0 0 406 6 Proportion of heavy vehicles, PHv 0 — — 0 -- Median type Undivided RT Channelized? 1 0 Lanes 0 1 0 0 1 0 Configuration LT TR Upstream Signal 1 0 0 Minor Street Northbound Southbound �'-vement 7 8 9 10 11 12 L T R L T R Volume veh/h) 0 0 0 4 0 20 Peak-hour factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate (veh/h) 0 0 0 4 0 22 Proportion of heavy 0 0 0 2 2 2 vehicles, PHv Percent grade (%} 0 0 Flared approach N N Storage I 0 0 RT Channeiized? I 0 0 Lanes 0 0 0 0 0 0 Configuration LR Control Delay, Queue Length, Levi101 ervice Approach EB WB Northbound Southbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR 'Volume, v (vph) 37 26 Capacity, cm (vph) 1158 564 v/c ratio 0.03 0.05 Queue length (95%) 0.10 0.14 Control Delay (s/veh) 8.2 11.7 3 A 8 Approach delay (s/veh) -- -- 11.7 Approach LOS -- -- B Copyright®2003 Utuversity of Florida,All Rights Reserved Version 4 1 d file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k7E.tmp 10/19/2005 Two-Way Stop Control Page 1 of 2 TWO-WAY STOP CONTROL SUMMARY General Information Mi e• nformation Ilyst D.J. Clark Intersection Bridger Canyon/Headlands r,gency/Co. Marvin &Associats Appr. Jurisdiction FUTURE Date Performed 101512005 Analysis Year 2025 Analysis Time Period PM Design Hour Project Description The Legends It Subdivision TIS East/West Street: Brid er Canyon Road North/South Street: Headlands Sub Access Approach Intersection Orientation: East-West IStudy Period hrs : 0.25 WhIcle=Volumes and Ad'ustments Major Street Eastbound Westbound Movement 1 1 2 3 4 5 6 L T R L T R Volume veh/h 61 323 15 3 381 2 Peak-hour factor. PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hours Flow Rate veh/h) 67 358 16 3 423 2 Proportion of heavy vehicles, PHv 0 0 - Median type Undivided RT Channelized? 1 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Upstream Signal 0 0 Minor Street Northbound Southbound N"nvement 7 8 9 10 11 12 L T R L T R Volume veh/h 9 0 3 1 0 35 Peak-hour factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 'Hourly Flow Rate (veh/h) 10 0 3 1 0 38 Proportion of heavy vehicles, PHv 0 0 0 2 2 2 Percent grade(%) 0 0 Flared approach N N Storage 0 0 RT Channelized? 0 0 Lanes 0 1 0 0 1 0 Configuration LTR LTR Control Delay, Queue Len evel of Service = Approach I EB WB Northbound Southbound Movement I 1 4 7 8 9 10 11 12 Lane Configuration LTR LTR LTR LTR 'Volume, v (vph) 67 3 13 39 Capacity, cm (vph) 1145 1212 254 603 v/c ratio 0.06 0.00 0.05 0.06 Queue length (95%) 0.19 0.01 0.16 0.21 Control Delay (s/veh) 8.3 8.0 I 19.9 11.4 A A I C B Approach delay (s/veh) -- -- 19.9 11.4 Approach LOS -- -- C I B Copyright®2003 University of Florida,All Rights Reserved Version 4:1d file://C:\Documents and Settings\dj_2\Local Settings\Temp\u2k7B.tmp 10/19/2005 APPENDIX C - SPOT SPEED STUDY WORKSHEETS SPOT SPEED STUDY ANALYSIS (Counter) SITE : Station 01 -Bridger Canyon Road DIRECTION: Eastbound DATE: February 1-2,2005 TIME: 24 hours SPEED SPEED SPEE I " t:PM0=-VE RELATIVE CUMULATIVE RANGE VALUE FREQUENCY FREQUENCY FREQ (%o) FREQ (%) 21 to 25 25 8 8 0.48% 0.48% 26 to 30 30 5 13 0.30% 0.78% 31 to 35 35 18 31 1.07% 1.85% 36 to 40 40 81 112 4.84% 6.69% 41 to 45 45 398 510 23.76% 30.45% 46 to 50 50 630 1140 37.61% 68.06% 51 to 55 55 350 1490 20.90% 88.96% 56 to 60 60 143 1633 8.54% 97.49% 61 to 65 65 31 1664 1.85% 99.34% 66 to 70 70 9 1673 0.54% 99.88% 71 to 75 75 2 1675 0.12% 100.00% TOTAL VEHICLES= 1675 MEAN SPEED= 50.30 mph 85TH PERCENTILE = 54.05 mph PACE SPEED= 41 mph TO 50 mph SIOMOID CURVE 120.00% 100.00x ..__ .............. .»..... ...... ........ ..._..............«_..«.....«...... :..»_.. _»,_.......I p LLJ 40.00% I ' LU a. 20AOx ... ..« ....... I __..._»...�.....«............ «... - I 0.00% 25 30 35 40 45 50 55 s0 OS TO 75 SPEED(MILESMOUR) SPOT SPEED STUDY ANALYSIS (Counter) SITE : Station 91 -Bridger Canyon Road DIRECTION: Westbound DATE: February 1-2,2005 TIME: 24 hours SPEED' SPEED' SPEED CUMULATIVE RELATIVE CUMULATIVE RANGE VALUE FREQU,, CY FREQUENCY ,E'f,�;(?,) FREQ 21 to 25 25 7 7 0.40% 0.40% 26 to 30 30 11 18 0.63% 1.03% 31 to 35 35 17 35 0.97 o 2.00% 36 to 40 40 137 172 7.83% 9.83% 41 to 45 45 526 698 30.06% 39.89% 46 to 50 50 646 1344 36.91% 76.80% 51 to 55 55 247 1591 14.11% 90.91% 56 to 60 60 114 1705 6.51% 97.43% 61 to 65 65 36 1741 2.06% 99.49% 66 to 70 70 8 1749 0.46% 99.94% 71 to 75 75 1 1750 0.061 100.00% TOTAL VEHICLES= 1750 MEAN SPEED= 49.11 mph 85TH PERCENTILE 52.90 mph PACE SPEED= 41 mph TO 50 mph SIOMOID CURVE 120.00'/ I I i Y 60.00% .......-......................»_:.... ........... _........... ............+.........__}.............................................. W60.00% ... ......_..__....._.._... _......._._.._.�.... ........_.._.....__.....................i...............I........_.................... 40.00% »».............................._.._.. _.. ........._..__...._..............._._..._•............._......_......7............... I E 20.00% _..- - i 0.00% 25 30 35 40 45 50 55 60 65 70 75 SPEED(MILESIHOUR) SPOT SPEED STUDY ANALYSIS (Counter) SITE : Station#1 -Bridger Canyon Road DIRECTION: Both Directions DATE: February 1-2,2005 TIME: 24 hours SPEED AN_ 0, SPEED CUMUr�LATIVE- RELATIVE CUMULATIVE RANGE FREQU��11�'r2if" � `U11i�2Y' FREQ(%o) FREQ (%) 21 to 25 25 15 15 0.44% 0.44% 26 to 30 30 16 31 0.479/6 0.91% 31 to 35 35 35 66 1.02% 1.93% 36 to 40 40 218 284 6.36% 8.29% 41 to 45 45 924 1208 26.98% 35.27% 46 to 50 50 1276 2484 37.26% 72.53% 51 to 55 55 597 3081 17.43% 89.96% 56 to 60 60 257 3338 7.50% 97.46% 61 to 65 65 67 3405 1.96% 99.42% 66 to 70 70 17 3422 0.50% 99.91% 71 to 75 75 3 3425 0.09% 100.00% TOTAL VEHICLES= 3425 MEAN SPEED= 49.69 mph 65TH PERCENTILE = 53.58 mph PACE SPEED= 41 mph TO 50 mph SIOMOID CURVE 120.00% _- I 100.00% ................_.».„..�Y.__....»». ...._».....' _.._»._..�........._... .........» .�.... u u e0.0ac i 40.00% ._»_.._.......... ..............»........_...»......... ... .._.»....._..�.._.. ........_...._.........»...._....... .._..«.. 20.00% .__.._...I ...._ ._....._._..L............ ..........._...._»»_..�__. .....W.�.. 25 30 35 40 45 50 55 s0 s5 70 75 SPEED(MILES/HOUR) APPENDIX D - TRAFFIC SIGNAL WARRANT WORKSHEETS Intersection: Bridger Drive and Sto Mill Road Case: Full Buildout(2010 Date: October 18,2005 Major Street: Bridger!hive Minor Street 1: Story Mill Road Minor Street 2: Major Street Dirt(N•S or 1•;"'): E-'N Nlinor Street I Dir.(N S or E-W): N-S Minor Street 2 Dir.(N-S or A) roach Dir.(NB or SB) NB Approach Dir.(E:B or 1V6) Major Sheet Speed Limit. ®mph Major Street 851h%Speed: ®mph Total Intersection Approaches: Hour Beginning 1 2 3 4 5 6 7 8 9 10 11 12 Bridger Drive EB 7 12 9 7 19 82 220 295 276 246 267 274 Bridger Drive WB 6 3 8 10 24 74 212 207 149 156 196 165 Story Mill Road NB 1 1 1 1 2 8 22 30 28 25 17 28 Story Mill Road SB 2 4 3 2 6 28 76 101 95 84 92 94 Major Approach Totals 13 16 17 17 43 156 432 502 1 425 401 462 439 Max Minor Approach Vol. 2 4 3 1 2 1 61A 28 76 101 95 84 Total EntermL Volume 17 20 22 1 20 51 192 1 530 633 548 511 581 661 Hour Bet!innini, 13 14 IS 16 17 is 19 20 21 22 23 24 Brid(;er Driyc Eli 346 274 262 362 369 189 138 124 87 40 28 7 Bridger Drive WR 231 262 265 377 221 135 50 21 14 19 6 3 Story Mill Road NB 35 28 27 37 38 19 14 13 9 4 3 1 Story Mill Road SB 119 94 90 125 127 65 47 43 30 14 10 2 Nla'or A>troach Totals 577 535 527 740 591 324 188 145 101 59 34 10 Max Minor Approach Vol. 119 1 94 90 125 127 65 47 43 30 14 10 2 Total Enterine Volume 731 1 657 643 901 756 409 249 200 1 140 1 77 47 13 Condition A Condition B Volume Warrants Values I Minimums Values Minimums Ma/or(Total Entering,) Minor Major(Total Entering) Minor Mainr Minor Major Minor 8th Hour Vehicular Volume Warrant 462 92 105 439 94 525 53 4th Hour Vehicular Volume Warrant 535 94 535 116 Peak Hour Vehicular Volume Warrant (901) 125 (800) 100 740 125 740 131 Crash Experience Warrant 462 92 400 120 439 49 600 60 Roadwav Network Warrant 901 1000 Warrant#1-Eight-hour Vehicular Volume Warrant#2-Four-hour Vehicular Volume Warrant 1 Condition A Met NO 87 6°A Warrant 2 Conditions>1ct NO flc,8°L: Warrant 1 Condition B Met NO 83 8% Warrant 1 80%Condtions A&B Met NO 73.2% Warrant#3-Peak Hour Warrant#4-Pedestrian Volumes Warrant 3 Condtion A.1 Met NO 26.2% Warrant 4 Condtion A Stet NIA N/A Warrant 3 Condtion A.2 Met YES 125.0% Warrant 4 Condition B J1ct NIA NIA Warrant 3 Condtion A.3 Met YES 112.60A Warrant 3 Condtion B Met NO 99.3% Warrant#5-School Crossing Warrant#6-Coordinated Signal System Warrant 5 Condtions Met NIA WA Warrant 6 Condtions Met NO 0 0% Warrant#7-Crash Experience Warrant#8-Roadway Network Warrant 7 Condtion A Met NIA N/A Warrant 8 Condtions N1ct NO Warrant 7 Condtion B Met NJA NIA Warrant 7 Condtion C Met NIA N/A Warrant Number and Title Met PereentMet 1 Eight-hour Vehicular Volume NO 871%, 2 Four-hour Vehicular Volume NO 96.6% 3 Peak Hour NO 99.3% 4 Pedestrian Volumes NIA NIA 5 School Crossing NIA NIA 6 Coordinated Signal System NO 0.0% 7 Crash Experience WA NIA 8 Roadwav Network NO 90.1% Total Number of Warrants Met 0 APPENDIX E - TURN LANE WARRANT WORKSHEETS 28.4(8) INTERSECTIONS AT-GRADE November 2000 Z o i z Z4 u � �O o F- 0 3 = K L.J W {, W J O? 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Guide For Left Turn Lane 700 600 50 mph -e d 5% LT 0 500 > 10% LT 0 400 - - ._ -.- _ 15% LTO 300 -�_ V --a - Q 200 20% LT 100 -- - - - 100 200 300 400 500 600 700 800 Opposing Volume �7 I��, �� �c :a ,a,/�u..-�4 f�c-�a=�<-.i- -cc�G.t•cL� . .c�,ew� / �� i D"iA i2F•..ised Sii;�r95 STATE OF MONTANA-DEPARTMENT OF TRANSPORTATION HELENA, MONTANA 59620-1001 DRIVEWAY APPROACH APPLICATION AND PERMIT -To be filled In by Department of Transportation Personnel- F.A. ROUTE NO.: APPROACH STATION: DISTRICT: NO.: MILEPOST: COUNTY: PROJECT: DRAINAGE AS DETERMINED BY DEPT.OF TRANSPORTATION: Type: Size: Length: Approach Recommended by Date Approach Application Date District Traffic Engineer or Approved by Traffic Unit District Administrator APPLICANT(Property Owner) T Name: Fcl6 e C-l e-JJ L•L-C c4 J &Jkic1cCQ J'iC ,hone: 4 06' 0 Address: —i3D ,J Opt'leyM.7 H M f S$OL(ic'J M T 59$O 2_ herein termed the applicant,requests permission to construct approach(es)described and shown on attached plot plan or plan and profile and hereby made a part of this application, Please indicate if permits or approaches are required from units of government other than the Department of Transportation. Write the number of permits required in the box: ❑Federal Government ❑ State ❑ County L&City ❑ N/A Private: (� Public: -- , .11,le, , Z! - �u61,a r>re#" Use of Property or Facility: A«s Leo Pr1A Ir GLAbcl iV151i7W-1 (Residence,11railer Court,Gas Station,Field Access, Type of Business,etc.) LOCATION: City or Town: 13oze man, jya hfan a (If rural,direction&approx.distance from nearest �+ city or town) Street Name,if any: RN/dael'ln r1 KQ�1f aje[-; I ijt FBrM App. ROADWAY OR HIGHWAY: Sight Distance: Left: Z��� 1 Right: 1 ZDO t p r Surfacing: $17i LIW'1nQUS Width: 3Z. APPROACH: Q rr Estimated number of trips per day: Lego,,d-�. T I.S - r � Width: Bra Flare: -0_ Side of Roadway: 4or+k- (N.E.S,W) DRAINAGE: See above as determined by Department of Transportation. INSTRUCTION CONCERNING USE OF THIS FORM Applicant will complete and deliver this form in duplicate to the District Administrator serving the area in which the Approach Permit is requested. The District Administrator,in conjunction with the District Traffic Engineer,is delegated authority to approve curb cuts, public and private approaches serving businesses,residences and agricultural uses in rural or urban areas without further consultation if the traffic conditions are not congested. In congested areas,usually urban situations,the District Administrator and District Traffic Engineer can request the Manager,Traffic Unit in Helena for additional technical assistance. If this is necessary,the approach should be scaled onto existing plan and profile sheets showing the highway right-of-way and sent to Helena. 0:1NI'GurD:112A neviaed 3/101M -APPROACH PERMIT- Subject to the following terms and conditions,the penult applied for upon the reverse side hereof,Is hereby granted: 1) TERM. This permit shall be In full force and effect from the date hereof until revoked as herein provided. 2) RENTAL. Rental shall be 3) REVOCATION. This permit may be revoked by State upon giving thirty(30)days notice to Permittee by ordinary mall,directed to the address shown in the application hereto attached,but the State reserves the right to revoke this permit without giving said notice in the event Permittee breaks any of the conditions or terms set forth herein. 4) COMMENCEMENT OF WORK. No work shall be commenced until Permittee notifies the District Administrator,shown in application,when he proposes to commence work. 5) CHANGES IN HIGHWAY. If the State changes the highway,or there are other changes to adjoining streets,alleys,etc.,which necessitate alterations in structures or Installations Installed under this permit,Permittee shall make the necessary alterations at Perrmillee's sole expense or in accordance with a separate agreement 6) STATE SAVED HARMLESS FROM CLAIMS. In accepting this permit the Permittee,its/hls successors or assigns,agree to protect the State and save it harmless from all claims,actions or damage of every kind and description which may accrue to,or be suffered by,any person or persons,corporations or property by reason of the performance of any such work,character of materials used,or manner of installations,maintenance and operation,or by the improper occupancy of said highway right of way,and in case any suit or action is brought against the State and arising out of,or by reason of,any of the above causes, the Permittee,Its/his successors or assigns,will upon notice to lUhlm of the commencement of such action,defend the same at its/hls sole cost and expense and satisfy any judgment which may be rendered against the State in any such suit or action, 7) PROTECTION OF TRAFFIC. Insofar as the interests of the Slate and the travelling public are concerned,all work performed under this permit shall be done under the supervision of the District Administrator of the Department of Transportation and his authorized representatives,and he/they shall indicate barriers to be erected,the lighting thereof at night,placing of flagmen and watchmen,manner in which traffic is to be handled,and shall specify to Permiltee how road surface is to be replaced if It is disturbed during operations,but said supervision shall in no way operate to relieve or discharge Permittee from any of the obligations assumed by acceptance of this permit,and especially those set forth under Section 6 thereof. 8) HIGHWAY DRAINAGE. If the work done under this permit Interferes in anyway with the drainage of the State Highway affected,Permittee shall,at Its/his own expense,make such provisions as the State may direct to lake care of said drainage. 9) RUBBISH AND DEBRIS. Upon completion of work contemplated under this permit,all rubbish and debris shall be immediately removed and the roadway and the roadside left in a neat and presentable condition satisfactory to the State. 10) WORK TO BE SUPERVISED BY STATE. All work contemplated under this permit shall be done under the supervision of and to the satisfaction of the authorized representative of the Slate,and the State hereby reserves the right to order the change of location or removal of any structure or installation authorized by this permit at any time,said changes or removal to be made at the sole expense of the perrmitlee. 11) STATE'S RIGHT NOT TO BE INTERFERED WITH. All such changes,reconstructing or relocation shall be done by Permittee, In such a manner as will cause the least interference with any of the State's work,and the State shall In no wise be liable for any damage to the Permittee by reason of any such work by the Slate,Its agents,contractors or representatives,or by the exercise of any rights by the State upon the highways by the installations or structures placed under this permit. 12) REMOVAL OF INSTALLATIONS OR STRUCTURES. Unless waived by the Slate,upon termination of this permit,the Permiltee shall remove the installations or structures contemplated by this permit and restore the premises to the condition existing at the time of entering upon the same under this permit,reasonable and ordinary wear and tear and damage by the elements,or by circumstances over which the Permittee has no control,excepted. 13) MAINTENANCE AT EXPENSE OF PERMITTEE. Permittee shall maintain,at its/his sole expense the installations and structures for which this permit is granted,In a condition satisfactory to the State. 14) STATE NOT LIABLE FOR DAMAGE TO INSTALLATIONS. In accepting this permit the Permittee agrees that any damage or Injury done to said installations or structures by a contractor working for the Slate,or by any State employee engaged in construction,alteration,repair,maintenance or Improvement of the State Highway,shall be at the sole expense of the Permittee. 15) STATE TO BE REIMBURSED FOR REPAIRING ROADWAY. Upon being billed therefor Permittee agrees to promptly reimburse State for any expense incurred In repairing surface or roadway due to settlement at Installation,or for any other damage to roadway as a result of the work performed under this permit. 16) OTHER CONDITIONS AND/OR REMARKS. a. All approach side slopes will be constructed on not less than 6 to 1 slope,unless otherwise approved. b. No private signs or devices etc.,will be constructed or Installed within the highway right-of-way limits. c. This permit is valid only if approach construction is completed within months from date of issue. Dated at ,Montane,this day of ,is= The undersigned,the'Permittee'mentioned in the aforegoing instrumenl, DEPARTMENT OF TRANSPORTATION hereby accepts this permit,together with all of the terms and conditions set forth(herein By: District Adminlslrator Completed Approach Inspected by: Permittee Dale -One copy of permit to District Administrator for rile -One copy of permit to Applicant Title :Q:MTC: