Saturday, August 15, 2026
Contra Costa County and Marin County — Caltrans Toll Bridge maintenance crews will close lanes along the upper and lower decks to perform inspections, maintenance and repairs.
Lane Closures:
- Westbound (Upper Deck): Lane #2 CLOSED from 7:00 PM to 4:00 AM
- Eastbound (Lower Deck): Lane #2, auxiliary and shoulder CLOSED 10:00 PM to 5:00 AM
- Lane #1 will remain OPEN in both directions
Motorists should expect delays and are advised to seek alternate routes or allow extra travel time.
Traffic Control Measures:
Freeway Changeable Message Signs (CMS) will alert drivers ahead of closures. At least one lane will remain open in each direction during work hours. Motorists should expect minor delays, reduce speed, and plan extra travel time. Please use caution and be prepared for possible merging traffic near work zones.
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
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.
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