1. West Contra Costa Unified School District
Major Interchange Modifications at I and San Pablo Dam Road, McBryde Avenue and El Portal Drive
West Contra Costa Unified School District
March 12, 2013

2. I-80/San Pablo Dam Road Interchange
Project Location
Project Limits
San Pablo Dam Road
El Portal Drive
I-80/San Pablo Dam Road Interchange
McBryde Avenue

3. Project Goals Reduce Traffic Congestion at the I-80/SPDR Interchange
Improve Safety and Access to, from and on I-80
Provide Safe and Efficient Pedestrian Access Across I-80
Accommodate Future Traffic Volumes
Provide Better Access to Amador Street

4. EB Traffic near Denny’s
Congestion on SPDR,
Spillover Impacts
EB Traffic near Denny’s
WB Traffic at Amador St

5. Height of SPDR OC (14’-8” Clearance)
Safety Issues
Height of SPDR OC (14’-8” Clearance)
Standard Clearance = 16’-6”
14’-8”
WB I-80

6. Safety Issues Narrow/No Sidewalks SPDR OC Amador St Narrow Sidewalk
(Width = 4’-0”)
No Sidewalk
Standard Sidewalk Width = 6’-0” (Minimum)
SPDR OC
Amador St

7. Pedestrian OC Does Not Cross Amador St
Safety Issues
Pedestrian OC Does Not Cross Amador St
Riverside
Elementary
School
Amador St

8. Riverside Ave. Pedestrian Overcrossing
283 crossings (7 AM – 4 POC AM Peak Hour (8 AM – 9 AM): PM Peak Hour (2:30 PM – 3:30 PM): 98
Amador Street: 85th Percentile: 35 mph Max Speed: mph AM Peak Hour (Both Direction): cars/hour PM Peak Hour (Both Direction): cars/hour
ADT on Amador St : 7948 cars/day (6247 NB, 1701 SB)

9. Project Features & Benefits
Construct McBryde Connector Road
Relocate McBryde
Ave Access
Replace and Widen SPDR OC
SPDR
City of Richmond
McBryde Ave
City of San Pablo
To San Francisco
Amador St
Remove
Existing POC
Replace
Riverside
Ave POC
Realign Amador St
Realign
El Portal Dr
Full Interchange
at El Portal Dr
Relocate El Portal Dr Access
El Portal Dr
Extend Auxiliary Lane
To Sacramento
Construct On-Ramp

10. Replace and Widen SPDR OC
Jack in the Box
SPDR
Raised Median
Denny’s
Six Lanes
5’ (Min) Shoulder
7’ Sidewalk
To San Francisco
To Sacramento
Amador St
Left Turn to Amador St
Wider Ramp
Realign Amador St

11. Relocate El Portal Dr WB On-Ramp
Shell Gas Station
Construct Sound Wall
Reduce Accident Rates
New Freeway Entrance
Realign El Portal Dr
El Portal Dr
To San Francisco
Relocate El Portal Dr Access
To Sacramento
Extend Auxiliary Lane
Wider Ramp
El Portal Dr

12. Relocate McBryde Ave Exit to SPDR
Denny’s
McBryde Ave Connector Road
McBryde Ave Traffic
Exit at SPDR
To San Francisco
To Sacramento
SPDR
Amador St
City of Richmond
City of San Pablo
McBryde Ave
Safer Access to McBryde Ave
McBryde Ave Connector Road
To San Francisco
To Sacramento
Reduce Accident Rates
Eliminate Unsafe Weaving Conflict
Improved Traffic Operations on I-80
Amador St

13. Relocate McBryde Ave Exit to SPDR
To San Francisco
To Sacramento

14. Riverside Elementary School
Replace Riverside Ave
Pedestrian Overcrossing
Riverside Ave
Humboldt Ave
To Sacramento
To San Francisco
Amador St
POC Spans Over Amador St
Remove Existing POC
Riverside Elementary School
Safer Access To/From School

15. Project Cost / Funding
Total Project Cost $113.8 M
Current Funding:
Measure J Funds: $7 M
City of San Pablo Redevelopment Fund $3 M
STIP Funds $15 M
Regional Measure 2 Funds $8 M
Available Funds $33.0 M
Funding Shortfall $80.8 M

16. Project Phasing

17. Project Phasing
To Sacramento
SPDR
Amador Street
To San Francisco

18. San Pablo Dam Road Overcrossing
Bridge Aesthetics
San Pablo Dam Road Overcrossing
Blue-Colored, Curvilinear Fence
Solid Metal Panels
Perforated Metal Panels

19. Riverside Avenue Pedestrian Overcrossing (POC)
Bridge Aesthetics
Riverside Avenue Pedestrian Overcrossing (POC)
Sample Tiles
Colored Tiles
Fencing
Fractured Rib
Pedestrian Ramps
Blue-Colored Fence
Ramp Aesthetics
(School Side of I-80)

20. Riverside Ave Pedestrian Overcrossing
Amador St
Reconfigured Parking Lot
POC Spans Over Amador St
Riverside Elementary School
Safer Access To/From School

21. Project Schedule
Begin Final Design: April 2011
Begin Construction Phase 1: Late 2014
Begin PA&ED: September 2006
IS/EA - PR Approved: May 2010
Submitted 35% Design December 2011
Complete Final Design Phase 1: Late 2013
Award Project Phase 1: Nov 2014
ROW Certification: Mid 2014
Submitted 65% Design September 2012
Public Meetings – September 12/25, 2012

22. For more information visit: www.ccta.net
Thank You
For more information visit: