West Contra Costa Unified School District Major Interchange Modifications at I-80 and San Pablo Dam Road, McBryde Avenue and El Portal Drive West Contra Costa Unified School District March 12, 2013

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

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

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

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

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

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

Riverside Ave. Pedestrian Overcrossing 283 crossings (7 AM – 4 PM) @ POC AM Peak Hour (8 AM – 9 AM): 83 PM Peak Hour (2:30 PM – 3:30 PM): 98 Amador Street: 85th Percentile: 35 mph Max Speed: 45 mph AM Peak Hour (Both Direction): 792 cars/hour PM Peak Hour (Both Direction): 884 cars/hour ADT on Amador St : 7948 cars/day (6247 NB, 1701 SB)

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

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

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

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

Relocate McBryde Ave Exit to SPDR To San Francisco To Sacramento

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

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

Project Phasing

Project Phasing To Sacramento SPDR Amador Street To San Francisco

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

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)

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

Project Schedule 2006 07 08 09 10 11 12 13 14 2015 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

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