Alameda County - Due to maintenance work and to ensure the safety of crews and the public, Caltrans will continue the following closures in the Posey Tube (Alameda-Oakland). These closures are needed to complete essential work within the available construction window.

**All work is weather dependent and subject to change**

Scheduled Full Closures: Monday (March 2) through Friday (March 6)

• Tunnel full closure from 11 pm to 5 am
• Pedestrian/Bicycle path full closure 11 pm to 5 am

Looking Ahead:

Shuttle service is available during pedestrian and bicycle closures. Oakland pickup/drop off is located at the corner of 4th and Harrison. Alameda pickup/drop off is located at the path on Mariner Square Dr, south of Posey portal.

During this time, motorists are advised to use alternate routes and allow extra travel time. Work includes repairing damaged concrete and improving the roadway surface on the Posey Tube bridge deck and approaches.

Be Work Zone Alert and expect travel delays.

Caltrans will update its Twitter page at https://X.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out Caltrans Quickmap https://quickmap.dot.ca.gov/

Caltrans thanks the public for their patience and cooperation as we continue to improve California's transportation network.

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.