Overnight Closures Scheduled for Webster Tube (State Route 260) Wednesday, November 12 to Thursday, November 13, 2025

Alameda County - Due to emergency maintenance needs and to ensure the safety of crews and the public, Caltrans will implement the following closures in the Webster Tunnel (Oakland-Alameda) starting tonight:

One lane closed will be from 7:00 PM to 11:00 PM
Full Webster tunnel closure from 11:00 PM to 5:00 AM

During this time, motorists are advised to use alternate routes and allow extra travel time. Crews will be working to remove excess water and clear out built-up debris from the lower level of the tunnel system to help keep the structure safe and dry. Posey Tube will remain Open.

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://http://quickmap.dot.ca.gov/

Motorists can also receive 24/7 highway condition information statewide by calling 1-800-427-ROAD or 1-800-427-7623. Caltrans thanks the public for their patience and cooperation as we continue to improve California's transportation network.

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