Alameda and Contra Costa Counties – Caltrans is upgrading the median barrier and installing safety lighting on Interstate 80 from just west of the Alameda/Contra Costa County border all the way to the Carquinez Bridge to enhance safety and ease of mobility for motorists.
Work is currently taking place on I-80 in Richmond and San Pablo between the San Pablo exit and the El Portal exit, and will continue to move east on I-80 to the Carquinez Bridge.
Demolition of the existing concrete median barrier has concluded in this area. While residents living close to the freeway in this area can still expect some noise, noise levels are not expected to reach the levels that were reached during median barrier demolition.
Every effort is being made to minimize noise and inconvenience. Sound monitoring equipment is present at every location where work is taking place and noise levels will be closely monitored.
Caltrans thanks residents for your patience as we work to improve the freeway. When the work is done, visibility will be better on the freeway at night, enhancing safety for motorists.
Crews are replacing the existing concrete median barrier with a new barrier and new safety lighting that will minimize glare from headlights. Also, the guardrail will be upgraded and the pavement will be resurfaced.
Lane and ramp closures will be necessary from time to time to accommodate the work, but there will be no full closures of the freeway.
The lane closures will be nighttime only to minimize inconvenience to the traveling public. Signage and California Highway Patrol officers will be on hand to guide motorists.
Traffic has been shifted temporarily to make room for the contractor to install the new barrier and lighting. Temporary pavement delineation will shift on eastbound and westbound Route 80 traffic toward outside shoulders. The shift is temporary and the lanes will return to their previous configuration when the work is complete.
Caltrans again thanks residents for your patience as we work to enhance safety and visibility on Interstate 80 in Alameda and Contra Costa County.
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
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