State Route 24 Caldecott Tunnel

Published:

District: 4 - Bay Area 
Contact: Marcus Wagner
Phone: (510) 715-7614
Email: Marcus.wagner@dot.ca.gov

State Route 24 (SR-24) Caldecott Tunnel 
Overnight Closure Westbound #4 Bore
Maintenance Work
Beginning Monday, January 25, 2021 at 11:30 PM

ALAMEDA AND CONTRA COSTA COUNTIES – Caltrans will temporarily close the # four westbound bore of the State Route 24 (SR-24) Caldecott Tunnel overnight on Monday, January 25. While one bore is closed, the other bores will remain open to traffic.

Westbound Bore #4 Closed Night on Monday, January 25: 
 Beginning Monday, January at 11:30 PM until 4:00 AM on Tuesday, December 16, the #4 westbound bore will be temporarily closed for tunnel maintenance work. 

Traffic Control Measures:
Changeable message signs will be in place to assist motorists traveling in the area. Motorists are advised to expect delays and allow extra time. Please drive with caution through the construction zone. Slow for the Cone Zone.

For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBAY. For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/.