See what's on the Agenda for upcoming Authority Board and Committee meetings.more
To see the improvements planned for this project and how they will be phased in, check out this video overview:
The project is part of the Measure J Expenditure Plan approved in 2004 by 71 percent of the voters in Contra Costa County. The I-80/San Pablo Dam Road Interchange Project is supported by the City of San Pablo, Contra Costa County, Contra Costa Transportation Authority, West Contra Costa Unified School District (WCCUSD), California Department of Transportation (Caltrans), Federal Highway Administration, North East Neighborhood Council and the general public.
Phase 1 will be complete in Spring 2017. Thank you for your cooperation and patience during this important work.
For more information, please call the project hotline at (510) 277-0444. Construction updates will also be posted to Twitter at @i80spdr.
Documents and Updates
Phase I Design
Construction work continues on El Portal Drive – 2/22/2016 Update
Comprehensive Fact Sheet - 3/16/2016
May 14-15, 2016 I-80 Closure Announcement
June 18-19 I-80 Closure Announcement
August 20-21 I-80 Closure Announcement
November 5-6 I-80 Closure Announcement