State DOT News



Date:        October 8, 2019

District:   District 4 (Bay Area)

Contact:  RocQuel Johnson

Phone:    (510) 501-0446




Potential Closure for Caldecott and Tom Lantos Tunnels Due to PG&E Power Outage


Oakland – Caltrans is preparing for full closures of the Caldecott Tunnel in Contra Costa and Alameda Counties on State Route 24 and the Tom Lantos Tunnel along State Route 1 in Pacifica as soon as the evening of October 8, due to the PG&E Pro Active Public Safety Power Shut Off. The tunnels cannot operate without power.


Caltrans is currently working with PG&E to provide emergency power to keep the Caldecott Tunnel in operation. This remains a fluid event and could change by the hour. Motorists will need to stay tuned to media and use for the latest updates.


The tunnel closures can begin as soon as this evening and continue for as long as five days. Changeable messages signs have been activated and will provide updated detour information as needed. Bay Area Rapid Transit continues to be operational.


Motorists should treat unpowered intersections as a 4-way stop. With power outages, motorists should be alert and watch for pedestrians and cyclists.


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