HomeMy WebLinkAbout03 - Trip Generation Summary_GCC
619 Milestone Drive
Belgrade, MT 59714
E5EngineeringPLLC@gmail.com
(406) 209-3960
April 19, 2022
Mike Hickman, PE
Morrison-Maierle
2880 Technology Boulevard West
Bozeman, MT 59718
Re: Trip Generation Comparative Analysis for the Gallatin County Law & Justice Center Campus
E5 Engineering, PLLC Project No. 22-0106
Dear Mike:
This letter summarizes the findings from the trip generation comparative analysis for the proposed Gallatin County Law &
Justice Center Campus as approved by voters in the November 2, 2021, election. The campus was previously evaluated
with the Gallatin Law & Justice Center Campus Master Plan: Traffic Impact Study (Bozeman – Gallatin County, Montana)
prepared by Morrison-Maierle dated February 2016. This original study included the City of Bozeman maintaining their
municipal court, prosecution staff, and police facilities at the campus. Since that time, the City of Bozeman has proceeded
with construction of their own Public Safety Center that will house those departments. Thus, they will longer be included
as part of the Gallatin County Law & Justice Center Campus.
The analyses performed as part of this comparative evaluation utilized the trip generation rates derived from the 2016
Morrison-Maierle traffic impact study for weekday as well as AM and PM peak hour periods based on a site-specific trip
generation analysis that was performed for the campus. Trip generation rates from that study utilized budgeted full-time
employees (FTEs) as the independent variable, which was also used in the comparative analyses performed with this
update. Budgeted FTEs for the year 2020 were obtained from a review of available Gallatin County budget documents as
well as annual reporting to the Montana State Legislature for state agencies present at the Gallatin County Law & Justice
Center Campus.
Future 2026 and 2036 FTE projections were developed similarly to those in the 2016 traffic impact study. Total FTEs for
the campus are projected at 267.50 for the year 2026 and 321.25 for the year 2036. With the departure of the City of
Bozeman departments from the campus, projected FTEs are substantially reduced from the 2016 estimates. Likewise,
future year traffic estimates from the campus site are substantially lower as well. The results of the comparative analyses
for the Gallatin County Law & Justice Center Campus are attached to this letter. For reference, Appendix C from the 2016
study is also included.
Thank you for the opportunity to work with you on this project. I look forward to serving you in the future. If you have any
questions or concerns regarding the analyses, please do not hesitate to contact me.
Sincerely,
Tom Eastwood, PE, PTOE
Owner
Encl.: ❑ Trip Generation Comparative Analysis (2 Pages)
❑ 2016 Traffic Impact Study Appendix C – Trip Generation Analyses (9 Pages)
1Original Estimated Trip Generation | Gallatin County Law & Justice Center Campus Master Plan: Traffic Impact Study (February 2016)
Independent
Included Departments Variable 2Units Enter Exit Total Enter Exit Total Enter Exit Total
2016 Existing Campus Vehicular Traffic Generation
Gallatin County - Justice Court 12.00 49 49 98 4 2 6 3 5 8
Gallatin County - Court Services 10.50 43 43 86 4 2 6 3 4 7
Gallatin County - County Attorney 18.00 74 74 148 7 3 10 5 7 12
Gallatin County - Victim Services 7.00 29 28 57 3 1 4 2 3 5
Gallatin County - Law Enforcement | Patrol & Administration 48.42 199 198 397 18 8 26 12 20 32
Gallatin County - Adult Detention 55.83 229 229 458 21 9 30 14 23 37
State of Montana - 18th Judicial District Court 26.90 111 110 221 10 4 14 7 11 18
State of Montana - Office of the State Public Defender 18.00 74 74 148 7 3 10 5 7 12
State of Montana - State Office of Probation & Parole 6.75 28 27 55 3 1 4 2 2 4
City of Bozeman - Municipal Court 8.50 35 35 70 3 2 5 2 4 6
City of Bozeman - City Attorney (Bozeman Prosecutor)4.00 17 17 34 1 1 2 1 2 3
City of Bozeman - Police Department 71.70 294 294 588 26 12 38 18 29 47
Totals =287.60 1,180 1,180 2,360 107 48 155 74 117 191
1Source: Gallatin Law & Justice Center Campus Master Plan: Traffic Impact Study (Bozeman - Gallatin County, Montana), Morrison-Maierle, Inc. (Bozeman, MT)
dated February 2016 based on a site specific trip generation study and available budget data from published public records.
2Units: Budgeted Full-Time Employees (FTEs)
Gallatin County Law & Justice Center Campus Existing & Projected Employee Data
Independent 2020
Land Use Variable 3Units
Gallatin County - Justice Court 12.00
Gallatin County - Court Services 12.75
Gallatin County - County Attorney 18.75
Gallatin County - Victim Services 6.08
Gallatin County - Law Enforcement | Patrol & Administration 57.59
Gallatin County - Adult Detention 68.18
State of Montana - 18th Judicial District Court 30.90
State of Montana - Office of the State Public Defender 21.00
State of Montana - State Office of Probation & Parole 14.00
Totals =241.25
Estimated Population =118,960
FTEs Per 10,000 Persons =20.28
Estimated Annual Growth Rate Percentage =-
3Units: Budgeted Full-Time Employees (FTEs)
9.17
12.35
4.00
3.00
0.00
2.25
0.75
-0.92
Trip Generation Comparative Analysis
Gallatin County Law & Justice Center
Budgeted
Full-Time
Employees
(FTEs)
Budgeted
Full-Time
Employees
(FTEs)
Net FTE Change
Estimated Weekday
Trip Ends
Estimated Weekday,
AM Peak Hour Trip Ends
Estimated Weekday,
PM Peak Hour Trip Ends
2016 - 2020
3Units
7.25
37.85
-
Estimated
2026
3Units
16.00
13.75
23.00
9.00
62.75
69.75
35.25
23.00
15.00
267.50
146,230
18.29
3.50%
16.35
3.00%
Estimated
2036
3Units
20.00
17.50
29.00
12.00
79.25
71.75
44.75
29.00
18.00
321.25
196,520
F:\E5 Engineering PLLC\Projects\22-0106 - Law + Justice Center\Traffic Data\Gallatin-County_Law+Justice-Center_Trip-Gen-Analysis
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Trip Generation Comparative Analysis
Gallatin County Law & Justice Center
Estimated Trip Generation | 2026 Proposed Gallatin County Law & Justice Center Campus
Independent
Land Use Variable 4Units Enter Exit Total Enter Exit Total Enter Exit Total
Gallatin County - Justice Court 16.00 66 66 132 6 2 8 4 7 11
Gallatin County - Court Services 13.75 56 56 112 5 2 7 4 5 9
Gallatin County - County Attorney 23.00 94 94 188 8 4 12 6 9 15
Gallatin County - Victim Services 9.00 37 37 74 3 2 5 2 4 6
Gallatin County - Law Enforcement | Patrol & Administration 62.75 257 257 514 23 10 33 16 25 41
Gallatin County - Adult Detention 69.75 286 286 572 26 11 37 18 28 46
State of Montana - 18th Judicial District Court 35.25 145 145 290 13 6 19 9 14 23
State of Montana - Office of the State Public Defender 23.00 94 94 188 8 4 12 6 9 15
State of Montana - State Office of Probation & Parole 15.00 62 62 124 6 2 8 4 6 10
Totals =267.50 1,097 1,097 2,194 98 43 141 69 107 176
52016 Traffic Impact Study Projections for the Year 2026 =362.00 1,486 1,485 2,971 134 60 194 93 147 240
Net Change from 2016 Traffic Impact Study Projections =-94.50 -389 -388 -777 -36 -17 -53 -24 -40 -64
4Units: Budgeted Full-Time Employees (FTEs)
5Source: Gallatin Law & Justice Center Campus Master Plan: Traffic Impact Study (Bozeman - Gallatin County, Montana), Appendix C, Morrison-Maierle, Inc.
(Bozeman, MT) dated February 2016 based on a site specific trip generation study and available budget data from published public records.
Estimated Trip Generation | 2036 Proposed Gallatin County Law & Justice Center Campus
Independent
Land Use Variable 6Units Enter Exit Total Enter Exit Total Enter Exit Total
Gallatin County - Justice Court 20.00 82 82 164 8 3 11 5 8 13
Gallatin County - Court Services 17.50 72 72 144 6 3 9 5 7 12
Gallatin County - County Attorney 29.00 119 119 238 10 5 15 7 12 19
Gallatin County - Victim Services 12.00 49 49 98 4 2 6 3 5 8
Gallatin County - Law Enforcement | Patrol & Administration 79.25 325 325 650 29 13 42 20 32 52
Gallatin County - Adult Detention 71.75 294 294 588 26 12 38 18 29 47
State of Montana - 18th Judicial District Court 44.75 184 184 368 17 7 24 12 18 30
State of Montana - Office of the State Public Defender 29.00 119 119 238 10 5 15 7 12 19
State of Montana - State Office of Probation & Parole 18.00 74 74 148 7 3 10 5 7 12
Totals =321.25 1,318 1,318 2,636 117 53 170 82 130 212
72016 Traffic Impact Study Projections for the Year 2036 =438.50 1,800 1,799 3,599 162 73 235 112 178 290
Net Change from 2016 Traffic Impact Study Projections =-117.25 -482 -481 -963 -45 -20 -65 -30 -48 -78
6Units: Budgeted Full-Time Employees (FTEs)
7Source: Gallatin Law & Justice Center Campus Master Plan: Traffic Impact Study (Bozeman - Gallatin County, Montana), Appendix C, Morrison-Maierle, Inc.
(Bozeman, MT) dated February 2016 based on a site specific trip generation study and available budget data from published public records.
Budgeted
Full-Time
Employees
(FTEs)
Estimated Weekday
Trip Ends
Estimated Weekday,
AM Peak Hour Trip Ends
Estimated Weekday,
PM Peak Hour Trip Ends
Budgeted
Full-Time
Employees
(FTEs)
Estimated Weekday
Trip Ends
Estimated Weekday,
AM Peak Hour Trip Ends
Estimated Weekday,
PM Peak Hour Trip Ends
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APPENDIX C
TRIP GENERATION ANALYSES
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Bozeman 10 Year 20 Year Gallatin County 10 Year 20 Year
Year Population AGR %AGR %Population AGR %AGR %
1970 18,670 --32,505 --
1980 21,645 1.49%-42,865 2.81%-
1990 22,660 0.46%0.97%50,463 1.65%2.22%
2000 27,509 1.96%1.21%67,831 3.00%2.32%
2010 37,280 3.09%2.52%89,513 2.81%2.91%
Weighted Avg.-2.39%1.95%-2.71%2.58%
Bozeman Gallatin County
Year Population AGR %Population AGR %
2010 37,280 -89,513 -
2014 41,660 2.82%97,308 2.11%
Estimated Estimated
Bozeman Utilized Gallatin County Utilized
Year Population AGR %Population AGR %
2016 44,040 2.82%101,460 2.11%
2026 55,790 2.39%132,610 2.71%
2036 64,840 1.95%168,840 2.58%
Bozeman & Gallatin County Population Trends (1970 - 2014)
Projected Bozeman & Gallatin County Populations (2016, 2026, & 2036)
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Justice Court 18th Judicial District Court
Position FTE Position FTE
Justice of the Peace 2.00 District Court Judge 3.00
Executive Assistant 1.00 Judicial Assistant 3.00
Management Supervisor 1.00 Law Clerk 3.00
Justice Court Clerks 8.00 Court Reporter 3.00
Total 12.00 Standing Master 1.00
Court Administrator 1.00
Court Services Clerk of District Court 1.00
Position FTE Management Supervisor 1.00
Director of Court Services 1.00 District Court Clerk 9.90
Pretrial Supervisor 1.00 Training Supervisor 1.00
Pretrial Officers 4.00 Total 26.90
Misdemeanor Probation Supervisor 1.00
Misdemeanor Probation/Community Corrections Officer1.00 Office of the State Public Defender
Project Coordinator 1.00 Position FTE
DUI Task Force Coordinator 0.50 Regional Deputy Public Defender 1.00
Administrative Technician 1.00 Staff Attorney 9.00
Total 10.50 Staff Non-Attorney 8.00
Total 18.00
County Attorney
Position FTE State Office of Probation & Parole
County Attorney 1.00 Position FTE
Chief Deputy County Attorney 2.00 Probation & Parole Officers 6.75
Deputy County Attorney 8.00 Total 6.75
Legal Assistant 3.00
Adminstrative Assistant 3.00
Property Witness Assistant 1.00
Total 18.00
Municipal Court
Victim Services Position FTE
Position FTE City of Bozeman Municipal Court 8.50
Detective 1.00 Total 8.50
Detective Lieutenant 1.00
Drug Task Force Support Staff 1.00 City Attorney (Bozeman Prosecutor)
Victim Witness Coordinator 1.00 Position FTE
Victim Witness Program Assistant 3.00 City Attorney's Office - Prosecution Staff 4.00
Total 7.00 Total 4.00
County Sheriff - Law Enforcement | Patrol & Administration Police Department
Position FTE Position FTE
Elected Sheriff 1.00 Police Department Staff 71.70
Under Sheriff 1.00 Total 71.70
Lieutenant 4.00
Sergeant 5.00
Deputy Sheriff 25.92
Detective 2.00 TOTAL FTE'S -287.60
Detective - Missouri River Drug Task Force 1.00
CIT Coordinator 1.00
Support Staff 4.00
Accounting Technician 1.00
Administrative Assistant 1.50
Animal Control 1.00
Total 48.42
County Sheriff - Adult Detention
Position FTE
Detention Center Administrator 1.00
Staff Sergeant 1.00
Program Director 1.00
Sergeants 6.00
Corporals 3.00
Detention Officers 35.83
Sheriff County Work Program Officer 1.00
Medical Officer 1.00
Transport Sergeant 1.00
Accounting Clerk IV 1.00
Support Staff 3.00
Re-entry Coordinator 1.00
Total 55.83
GALLATIN COUNTY STATE OF MONTANA
CITY OF BOZEMAN
2015-2016 BUDGETED FULL-TIME EMPLOYEE DATA
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Justice Court 18th Judicial District Court
Position FTE / 10K Position FTE / 10K
Justice of the Peace 0.20 District Court Judge 0.30
Executive Assistant 0.10 Judicial Assistant 0.30
Management Supervisor 0.10 Law Clerk 0.30
Justice Court Clerks 0.79 Court Reporter 0.30
Estimated Employees per 10,000 Gallatin County Persons 1.18 Standing Master 0.10
Court Administrator 0.10
Court Services Clerk of District Court 0.10
Position FTE / 10K Management Supervisor 0.10
Director of Court Services 0.10 District Court Clerk 0.98
Pretrial Supervisor 0.10 Training Supervisor 0.10
Pretrial Officers 0.39 Estimated Employees per 10,000 Gallatin County Persons 2.65
Misdemeanor Probation Supervisor 0.10
Misdemeanor Probation/Community Corrections Officer 0.10 Office of the State Public Defender
Project Coordinator 0.10 Position FTE / 10K
DUI Task Force Coordinator 0.05 Regional Deputy Public Defender NA
Administrative Technician 0.10 Staff Attorney 0.89
Estimated Employees per 10,000 Gallatin County Persons 1.03 Staff Non-Attorney 0.79
Estimated Employees per 10,000 Gallatin County Persons 1.68
County Attorney
Position FTE / 10K State Office of Probation & Parole
County Attorney NA Position FTE / 10K
Chief Deputy County Attorney 0.20 Probation & Parole Officers 0.67
Deputy County Attorney 0.79 Estimated Employees per 10,000 Gallatin County Persons 0.67
Legal Assistant 0.30
Adminstrative Assistant 0.30
Property Witness Assistant 0.10
Estimated Employees per 10,000 Gallatin County Persons 1.68
Municipal Court
Victim Services Position FTE / 10K
Position FTE / 10K City of Bozeman Municipal Court 1.93
Detective 0.10 Estimated Employees per 10,000 Bozeman Persons 1.93
Detective Lieutenant 0.10
Drug Task Force Support Staff 0.10 City Attorney (Bozeman Prosecutor)
Victim Witness Coordinator 0.10 Position FTE / 10K
Victim Witness Program Assistant 0.30 City Attorney's Office - Prosecution Staff 0.91
Estimated Employees per 10,000 Gallatin County Persons 0.69 Estimated Employees per 10,000 Bozeman Persons 0.91
County Sheriff - Law Enforcement | Patrol & Administration Police Department
Position FTE / 10K Position FTE / 10K
Elected Sheriff NA Police Department Staff 16.28
Under Sheriff NA Estimated Employees per 10,000 Bozeman Persons 16.28
Lieutenant 0.39
Sergeant 0.49
Deputy Sheriff 2.55
Detective 0.20
Detective - Missouri River Drug Task Force 0.10
CIT Coordinator 0.10
Support Staff 0.39
Accounting Technician 0.10
Administrative Assistant 0.15
Animal Control 0.10
Estimated Employees per 10,000 Gallatin County Persons 4.58
County Sheriff - Adult Detention
Position FTE / Beds
Detention Center Administrator NA
Staff Sergeant 0.01
Program Director NA
Sergeants 0.03
Corporals 0.02
Detention Officers 0.21
Sheriff County Work Program Officer 0.01
Medical Officer 0.01
Transport Sergeant 0.01
Accounting Clerk IV 0.01
Support Staff 0.02
Re-entry Coordinator 0.01
Estimated Employees per Detention Center Beds (180 in 2015)0.31
2015-2016 BUDGETED FTE DENSITY BASED ON ESTIMATED POPULATIONS
GALLATIN COUNTY STATE OF MONTANA
CITY OF BOZEMAN
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Total
Units Enter Exit Total Enter Exit Total Enter Exit Total Enter Exit Total Enter Exit Total
4.10 4.10 8.21 0.36 0.16 0.53 0.26 0.40 0.66 1.61 1.61 3.21 1.24 1.24 2.49
50%50%100%69%31%100%39%61%100%50%50%100%50%50%100%
% OF
ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT TOTAL TOTAL
0:00 3 7 8 9 10 8 8 13 9 11 9 13 7 15 9 9 8 14 40 1.25%
1:00 8 8 6 6 4 6 3 8 8 10 7 14 13 10 7 7 10 12 36 1.13%
2:00 7 4 8 6 5 5 8 8 7 7 8 10 16 9 8 6 12 10 36 1.13%
3:00 4 4 4 6 4 10 12 15 3 5 9 8 3 7 5 7 6 8 26 0.81%
4:00 5 10 7 9 6 7 2 5 2 3 6 6 7 9 4 6 7 7 24 0.75%
5:00 7 6 7 3 16 5 21 4 14 6 11 10 6 1 14 5 9 6 34 1.06%
6:00 25 14 22 12 44 26 40 29 33 28 14 9 11 8 36 20 13 9 78 2.44%
7:00 59 28 64 22 95 41 94 41 84 29 15 13 10 17 86 30 13 15 144 4.51%
8:00 122 43 117 53 121 83 92 58 95 65 22 24 16 14 118 56 19 20 213 6.67%
9:00 84 71 81 89 55 89 78 64 20 16 14 18 81 72 17 18 188 5.89%
10:00 64 108 70 72 58 62 70 83 19 13 15 14 72 75 17 14 178 5.57%
11:00 61 95 87 89 80 120 85 109 34 35 19 16 85 96 27 25 233 7.29%
12:00 70 126 63 117 94 91 122 163 28 22 18 11 94 115 24 17 250 7.83%
13:00 85 95 113 88 107 81 24 23 16 18 111 82 20 21 234 7.33%
14:00 102 102 90 125 71 102 24 22 18 18 95 102 22 21 240 7.51%
15:00 63 109 62 81 68 120 28 34 19 18 69 96 24 26 215 6.73%
16:00 86 112 68 127 66 113 25 20 18 14 79 109 22 18 228 7.14%
17:00 60 118 69 114 64 159 52 135 79 123 39 39 25 18 70 121 33 28 252 7.89%
18:00 53 85 35 60 38 60 39 47 50 78 31 33 29 38 47 61 31 35 174 5.45%
19:00 29 38 26 39 20 35 20 40 23 35 16 27 25 25 26 34 20 26 106 3.32%
20:00 28 27 21 31 15 18 26 20 25 28 32 30 24 22 25 23 29 26 103 3.22%
21:00 14 22 14 16 12 16 10 20 20 23 18 11 17 13 15 18 17 12 62 1.94%
22:00 11 19 11 15 9 11 8 22 15 17 16 13 9 13 12 16 12 14 54 1.69%
23:00 3 15 11 12 12 18 13 17 15 13 7 17 3 12 12 14 5 15 46 1.44%
1,053 1,266 731 780 1,095 1,291 1,115 1,317 482 481 462 462 358 358 1,180 1,180 417 417
WEEKEND AVERAGEMONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAY
2,360 834
HOUR
BEGIN
3,194 100.00%TOTALS 2,319 1,511 2,386 2,432 963
SUNDAY AVG.WEEKDAY AVERAGESATURDAY AVG.
924 716
Independent Variable
Budgeted Full-Time
Employees (FTE's)287.60
Trips per Unit
GALLATIN LAW & JUSTICE CENTER CAMPUS - EXISTING TRIP GENERATION ANALYSIS
Trips per Unit Trips per Unit
Average Weekday Between 7:00 and 9:00 a.m.
Average Weekday, One Hour
Between 4:00 and 6:00 a.m.
Average Weekday, One Hour
Average Saturday
Trips per Unit
Average Sunday
Trips per Unit
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00Percentage of Total Time of Day
Percentage of Daily Traffic Volume Per Hour
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Estimated 2026 Bozeman Population =55,790
Estimated 2026 Gallatin County Population =132,610
Estimated 2026 Detention Center Beds =200
Justice Court 18th Judicial District Court
Estimated Employees per 10,000 Gallatin County Persons 1.18 Estimated Employees per 10,000 Gallatin County Persons 2.65
Total Estimated 2026 Employees 16.00 Total Estimated 2026 Employees 35.25
Court Services Office of the State Public Defender
Estimated Employees per 10,000 Gallatin County Persons 1.03 Estimated Employees per 10,000 Gallatin County Persons 1.68
Total Estimated 2026 Employees 13.75 Total Estimated 2026 Employees 23.00
County Attorney State Office of Probation & Parole
Estimated Employees per 10,000 Gallatin County Persons 1.68 Estimated Employees per 10,000 Gallatin County Persons 0.67
Total Estimated 2026 Employees 23.00 Total Estimated 2026 Employees 8.75
Victim Services
Estimated Employees per 10,000 Gallatin County Persons 0.69
Total Estimated 2026 Employees 9.00
Municipal Court
County Sheriff - Law Enforcement | Patrol & Administration Estimated Employees per 10,000 Bozeman Persons 1.93
Estimated Employees per 10,000 Gallatin County Persons 4.58 Total Estimated 2026 Employees 10.75
Total Estimated 2026 Employees 62.75
City Attorney (Bozeman Prosecutor)
County Sheriff - Adult Detention Estimated Employees per 10,000 Bozeman Persons 0.91
Estimated Employees per Detention Center Beds 0.31 Total Estimated 2026 Employees 5.00
Total Estimated 2026 Employees 64.00
Police Department
Estimated Employees per 10,000 Bozeman Persons 16.28
Total Estimated 2026 Employees 90.75
TOTAL ESTIMATED 2026 FTE'S -362.00
CITY OF BOZEMAN
GALLATIN COUNTY STATE OF MONTANA
ESTIMATED 2026 BUDGETED FULL-TIME EMPLOYEE DATA
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Independent Add'l
Variable Units Enter Exit Total Enter Exit Total Enter Exit Total
Budgeted
FTEs 74.40 306 305 611 27 12 39 19 30 49
FTEs 74.40 306 305 611 27 12 39 19 30 49
1Gallatin Law & Justice Center Campus - Trip Generation Data | Independent Variable: Budgeted Full-Time Employees (FTEs)
Average Vehicle Trip Ends On a:
Weekday
Average Vehicle Trip Ends On a:
Weekday, One Hour Between
7:00 and 9:00 a.m.
Average Vehicle Trip Ends On a:
Weekday, One Hour Between
4:00 and 6:00 p.m.
1 Source: Gallatin Law & Justice Center Campus - Existing Trip Generation Analysis , Morrison-Maierle, Inc., 2016
Average PM Peak Hour Trips
T = Average Vehicle Trip Ends
Total Estimated Additional Trips
X = Independent Variable Units
50% Entering
50% Exiting R2 = ****
Average Trip Generation Rate Equation:Directional Distribution:
Land Use Description
Law & Justice Center Campus
T = 0.66(X)39% Entering
61% Exiting R2 = ****T = Average Vehicle Trip Ends
X = Independent Variable Units
GALLATIN LAW & JUSTICE CENTER CAMPUS - ADDITIONAL TRIP GENERATION | 2016-2026
Average Trip Generation Rate Equation:Directional Distribution:Coefficient of Determination:
Average Trip Generation Rate Equation:Directional Distribution:Coefficient of Determination:
T = 0.53(X)69% Entering
31% Exiting R2 = ****
Coefficient of Determination:
T = 8.21(X)
T = Average Vehicle Trip Ends
X = Independent Variable Units
Average Weekday Trips Average AM Peak Hour Trips
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Estimated 2036 Bozeman Population =64,840
Estimated 2036 Gallatin County Population =168,840
Estimated 2036 Detention Center Beds =225
Justice Court 18th Judicial District Court
Estimated Employees per 10,000 Gallatin County Persons 1.18 Estimated Employees per 10,000 Gallatin County Persons 2.65
Total Estimated 2036 Employees 20.00 Total Estimated 2036 Employees 44.75
Court Services Office of the State Public Defender
Estimated Employees per 10,000 Gallatin County Persons 1.03 Estimated Employees per 10,000 Gallatin County Persons 1.68
Total Estimated 2036 Employees 17.50 Total Estimated 2036 Employees 29.00
County Attorney State Office of Probation & Parole
Estimated Employees per 10,000 Gallatin County Persons 1.68 Estimated Employees per 10,000 Gallatin County Persons 0.67
Total Estimated 2036 Employees 29.00 Total Estimated 2036 Employees 11.25
Victim Services
Estimated Employees per 10,000 Gallatin County Persons 0.69
Total Estimated 2036 Employees 12.00
Municipal Court
County Sheriff - Law Enforcement | Patrol & Administration Estimated Employees per 10,000 Bozeman Persons 1.93
Estimated Employees per 10,000 Gallatin County Persons 4.58 Total Estimated 2036 Employees 12.50
Total Estimated 2036 Employees 79.25
City Attorney (Bozeman Prosecutor)
County Sheriff - Adult Detention Estimated Employees per 10,000 Bozeman Persons 0.91
Estimated Employees per Detention Center Beds 0.31 Total Estimated 2036 Employees 6.00
Total Estimated 2036 Employees 71.75
Police Department
Estimated Employees per 10,000 Bozeman Persons 16.28
Total Estimated 2036 Employees 105.50
TOTAL ESTIMATED 2036 FTE'S -438.50
ESTIMATED 2036 BUDGETED FULL-TIME EMPLOYEE DATA
GALLATIN COUNTY STATE OF MONTANA
CITY OF BOZEMAN
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Independent Add'l
Variable Units Enter Exit Total Enter Exit Total Enter Exit Total
Budgeted
FTEs 76.50 314 314 628 28 13 41 19 31 50
FTEs 76.50 314 314 628 28 13 41 19 31 50
1Gallatin Law & Justice Center Campus - Trip Generation Data | Independent Variable: Budgeted Full-Time Employees (FTEs)
Average Vehicle Trip Ends On a:
Weekday
Average Vehicle Trip Ends On a:
Weekday, One Hour Between
7:00 and 9:00 a.m.
Average Vehicle Trip Ends On a:
Weekday, One Hour Between
4:00 and 6:00 p.m.
1 Source: Gallatin Law & Justice Center Campus - Existing Trip Generation Analysis , Morrison-Maierle, Inc., 2016
Land Use Description
GALLATIN LAW & JUSTICE CENTER CAMPUS - ADDITIONAL TRIP GENERATION | 2026-2036
Average Weekday Trips Average AM Peak Hour Trips Average PM Peak Hour Trips
Law & Justice Center Campus
Total Estimated Additional Trips
Average Trip Generation Rate Equation:Coefficient of Determination:
T = 8.21(X)50% Entering
50% Exiting R2 = ****T = Average Vehicle Trip Ends
X = Independent Variable Units
Directional Distribution:
Average Trip Generation Rate Equation:Directional Distribution:Coefficient of Determination:
T = 0.53(X)69% Entering
31% Exiting R2 = ****T = Average Vehicle Trip Ends
X = Independent Variable Units
Average Trip Generation Rate Equation:Directional Distribution:Coefficient of Determination:
T = 0.66(X)39% Entering
61% Exiting R2 = ****T = Average Vehicle Trip Ends
X = Independent Variable Units
N:\2200\040\Pre-Design Docs\Traffic Data\Trip Generation Analyses\Trip-Generation_Gallatin-L+J-Center-Campus.xlsx - 2036 Additional Trips Printed On: 2/4/2016 - 11:49 AM