1. TVTC Impact Fee Update Nexus Study January 30, 2008
presented to Tri-Valley Transportation Commission (TVTC)
presented by Christopher Wornum, Cambridge Systematics, Inc.
January 30, 2008

2. Agenda Nexus process Impacts of growth Final projects Nexus findings
Maximum fee rates
Next steps
Status of project - what has been done since last July
Schedule for completion with milestones tied to TVTC meetings - draft report targeted for discussion at TVTC meeting on April 25th.
Preliminary Nexus findings - i.e. not done with all Nexus analysis and report, but preliminary results indicate that all proposed projects can be funded up to 100% of unfunded balance by TVTC fee (if true)
Fee rate alternatives - include discussion that fee rates determination is needed to complete draft report
Next steps?

3. How a Nexus is Calculated Four Basic Steps
LOS A
LOS B
LOS C
LOS D
LOS E
LOS F
LOS A
LOS B
LOS C
LOS D
LOS E
LOS F
LOS A
LOS B
LOS C
LOS D
LOS E
LOS F
LOS A
LOS B
LOS C
LOS D
LOS E
LOS F
Existing
Conditions
Future
No Project
Future
No Project
Future
No Project
Existing LOS
Existing LOS
Existing LOS
Existing LOS
Mitigating
Improvements
New development funds up to its share of needed capacity
Through trips
Existing population &
employment
and current V/C ratio
Total traffic reduced by through trips
Net new traffic impacts on congestion without improvements

4. Travel Demand from New Development Average AM/PM Peak Hour Trip Ends, 2007 to 2030
Average AM/PM Peak Hour Trips
350,000
321,446
300,000
98,066
44%
250,000
223,357
200,000
150,000
100,000
50,000
2007
2030

5. Thousands of Vehicle Hours of delay
Tri-Valley Average Change in Congestion Vehicle Hours of Delay for Local Traffic (2005 and 2030) 45
Morning Peak Hour
Evening Peak Hour
40,058
2030 no Project PM 40
38,715
2030 no Project AM 35 30 25
Thousands of Vehicle Hours of delay 20 15 10
5,092
2005 AM
4,505
2005 PM 5

6. Previous TVTDF Projects (Appendix A) Millions of 2008 Dollars
Project Total Cost Unfunded Cost
I-580/I-680 Interchange (southbound to eastbound) - -
Route 84 Expressway I-580 to I-680 $337 $222
Isabel Route 84/I-580 Interchange $180 $15
I-680 Auxiliary Lanes $47 $38
West Dublin/Pleasanton BART Station - -
I-580 HOV Lane Eastbound $162 $8
I-580 HOV Lane Westbound $165 $20
I-680 HOV Lanes, SR 84 to Top of Sunol Grade - -
I-580/Foothill/San Ramon Road Interchange $1 $1
I-680/Alcosta Interchange - -
Crow Canyon Road Improvements Phase 1 $16 $11
Crow Canyon Road Improvements Phase 2 $32 $32
Vasco Road Safety Improvements Phase 1 $23 $4
Vasco Road Safety Improvements Phase 2 $26 $26
Express Bus/Bus Rapid Transit $20 $12
Total $1,009 $389

7. Proposed TVTDF Projects (Appendix B) Millions of 2008 Dollars
Project Total Cost Unfunded Cost
I-580/I-680 interchange (westbound to southbound) $705 $700
5th eastbound lane on I-580: Santa Rita to Vasco Rd. $131 $131
I-580/First St. interchange modification $30 $4
I-580/Vasco Rd. interchange modification $51 $15
I-580/Greenville Rd. interchange modification $35 $8
Jack London Boulevard extension $28 $4
El Charro Road Extension $19 $5
Camino Tassajara widening: E. Blackhawk Dr to Cty line $49 $45
Danville Blvd/Stone Valley Rd I-680 Interchange $3 $3
I-680 SB HOV lane Gap Closure, North Main to Livorna $55 $37
I-680 Express Bus/HOV On- and Off-Ramps $80 $47
I-680 Transit Corridor Improvements $100 $100
Total $1,286 $1,098

8. Proposed TVTDF Projects (Millions of 2006 Dollars)
$1,600
$1,487 Million
$1,500
Appendix A
$389 Million $0
$100
$200
$300
$400
$500
$600
$700
$800
$900
$1,000
$1,100
$1,200
Millions of 2006 Dollars
$1,300
$1,400
Appendix B
$1,098 Million
$808 Million
Appendix B
$188 Million
Appendix A
$620 Million
Funded
(Millions)
Unfunded (Millions)

9. Thousands of Vehicle Hours of delay
Tri-Valley Average Change in Congestion Vehicle Hours of Delay for Local Traffic (2005 and 2030) 45
Morning Peak Hour
Evening Peak Hour
40,058
2030 no Project PM 40
38,715
2030 no Project AM 35
32,890
2030 with Project AM
31,062
2030 with Project PM 30 25
Thousands of Vehicle Hours of delay 20 15 10
5,092
2005 AM
4,505
2005 PM 5

10. TVTC Transportation Development Fees Existing Fees (2007 Dollars)
$4,000
$3,390
$3,500
$2,500
$2,290
$2,000
$1,888
Fees by Land Use Type
$1,500
$1,270
$1,200
$1,000
Replace subtitle or add text box in chart: “Demand projected to increase 46% while funded capacity projects will add only 1%”
Simplify: In legend say “Demand (VMT)” and “Capacity (lane-miles)” Does lane miles includes all funded CIP projects (STIP, etc.)?
$500 $0
Single Family
Multi-Family
Retail per 1,000 sq. ft.
Office per 1,000 sq. ft.
Industrial per 1,000 sq. ft.

11. TVTC Transportation Development Fees Maximum Residential Fee Rates (2007 Dollars)$0
$7,000
$5,000
$4,000
$1,000
$2,000
$3,000
$6,000
$12,000
$11,000
$8,000
$9,000
$10,000
$13,000
$12,238
$8,430
Rate per Dwelling Unit
Replace subtitle or add text box in chart: “Demand projected to increase 46% while funded capacity projects will add only 1%”
Simplify: In legend say “Demand (VMT)” and “Capacity (lane-miles)” Does lane miles includes all funded CIP projects (STIP, etc.)?
Single Family
Multi-Family

12. Industrial per square foot
TVTC Transportation Development Fees Maximum Commercial Fee Rates (2007 Dollars) $0
$14
$10 $8 $2 $4 $6
$12
$24
$22
$16
$18
$20
$26
$22.71
$20.80
$13.60
$12.10
Rate per square foot
Replace subtitle or add text box in chart: “Demand projected to increase 46% while funded capacity projects will add only 1%”
Simplify: In legend say “Demand (VMT)” and “Capacity (lane-miles)” Does lane miles includes all funded CIP projects (STIP, etc.)?
Retail per square foot
Office per 1,000 square foot
Industrial per square foot
Other per square foot

13. Fee per Single Family Home
Contra Costa Transportation Development Fees Comparison Across Four Subregions
Southern CC1
Western Contra Costa
Lamorinda
$2,000
$4,000
$6,000
$8,000
$10,000
$12,000
$14,000
$16,000
Tri-Valley $0
East County
$15,000
$12,238
Fee per Single Family Home
Replace subtitle or add text box in chart: “Demand projected to increase 46% while funded capacity projects will add only 1%”
Simplify: In legend say “Demand (VMT)” and “Capacity (lane-miles)” Does lane miles includes all funded CIP projects (STIP, etc.)?
$4,718
$3,038
SCC Subregional
$2,595
$1,101
SCC Regional
1. Southern contra Costa fee program includes the cities of Danville, San Ramon, and the unincorproated area of SCC

14. Single Family Home Price in 1995 and 2006$1
$972,193
$864,353
$800
$804,103
$781,771
$686,201
$600
Average Price for a Single Family Home
$432,173
$400
Replace subtitle or add text box in chart: “Demand projected to increase 46% while funded capacity projects will add only 1%”
Simplify: In legend say “Demand (VMT)” and “Capacity (lane-miles)” Does lane miles includes all funded CIP projects (STIP, etc.)?
$309,829
$313,753
$312,228
$200
$221,997
$12,238
Fee $0
Danville
San Ramon
Dublin
Pleasanton
Livermore