I-80/San Pablo Dam Rd Interchange Reconstruction PW 483
Relocation of El Portal Drive Westbound On-Ramp
Construction continues on El Portal Drive with an anticipated completion in early summer of 2017. For the month November the work will consist of reconstruction of masonry walls on the east side of El Portal Drive, relocation of existing utilities, sidewalk reconstruction and the reconstruction/realignment of El Portal Drive and the eastbound I-80 off ramp at El Portal Drive. Weather permitting, this work will be completed by the end of December, 2016.
Through November, 2016 there will be times where El Portal Drive will be closed at the I-80 underpass in order to reconstruct the median, sidewalk, paving, striping, and the installation of new sewer and storm drain systems along with pile driving associated with the retaining wall reconstruction. This work will occur between the hours of 8PM – 5AM Monday – Saturday of these weeks. Please plan on using the signed detours to Hilltop Drive for westbound traffic and San Pablo Dam Road for eastbound traffic. Delays are expected and your patience is appreciated. The sidewalk on El Portal Drive from Glenlock St to the Intersection of the WB I-80 off ramp will be closed. Please see the alternative pedestrian and bicycle detour as outlined in green arrows on the attachment.
Replacement of Riverside Avenue Pedestrian Overcrossing
Construction to replace the existing Riverside Avenue Pedestrian Overcrossing was completed early spring of 2016. For the month of November 2016 the construction will continue at the Riverside Elementary School, over I-80, and at Humboldt Ave as the existing overcrossing is demolished.
For the month of November, 2016 there will be times where Amador Avenue will be closed in front of Riverside Elementary School in order to demolish the ramp for the existing Pedestrian Overcrossing. This work will occur between the hours of 6PM – 10:30 Monday – Saturday. Please plan on using the signed detours to Shasta Ave. for westbound traffic and Riverside Ave. for eastbound traffic. Delays are expected and your patience is appreciated.
General Project Information
Electronic changeable message signs will be placed in strategic locations on city streets to minimize traffic delays and public inconvenience. This is necessary as part of the I-80/San Pablo Dam Rd Interchange Reconstruction Project, which is managed by the CCTA (Contra Costa Transportation Authority). Project hotline phone number is (510) 277-0444, where you can leave a message with questions on the project and construction work.
The Contra Costa Transportation Authority (CCTA) and project partners, including the cities of San Pablo and Richmond, Contra Costa County, and Caltrans, are making every effort to provide opportunities for project neighbors to stay informed about this construction work, and have established a Project hotline phone number (510) 277-0444, where you can leave a message with questions on the project and construction work.
More information about the project can be found at:
Thank you for your cooperation during this essential work.
1. Replacement and widening of the San Pablo Dam Road Overcrossing;
2. Relocation of McBryde Avenue access from westbound I-80 (westbound direction is towards San Francisco);
3. Relocation of El Portal Drive access to westbound I-80;
4. Realignment of Amador Street to intersect with San Pablo Dam Road further east; and
5. Replacement of the I-80/Riverside Avenue Pedestrian Overcrossing serving Riverside Elementary School and extending it across Amador Street
PROJECT STATUS: Detailed project design is complete for phase 1 and construction began in late 2015.
PROJECT FUNDING: The current project cost is estimated at $118.8 million of which $38 million has been secured from multiple sources including the City of San Pablo ($3 million), Contra Costa's Measure J Transportation Sales Tax ($12 million), state ($15 million), and regional funds ($8 million).
The project is sponsored by the City of San Pablo, Contra Costa Transportation Authority, California Department of Transportation (Caltrans), in cooperation with the City of Richmond, Contra Costa County and the West Contra Costa Transportation Advisory Committee.