Webster Tube Full Overnight Closure

Published:

District: 4 - Oakland 
Contact: Janis Mara 
Phone: (510) 715-9291
Email: Janis.Mara@dot.ca.gov

Webster Tube (State Route 61) Full Overnight Closure
For Maintenance Work November 

Alameda County — Caltrans has scheduled a full overnight closure of the Webster Tube (State Route 61) that connects the cities of Alameda and Oakland on November 23 beginning at 10:00 p.m. and re-opening at 4:30 a.m. The purpose of the closure is to accommodate routine maintenance work.
The work will be postponed if it rains.

The Posey Tube will remain open.

Traffic Control Measures:

Changeable message and directional signs will be in place to assist motorists traveling in the area. The California Highway Patrol (CHP) will be at the site during the closure.

Posey Tube (State Route 61) Full Overnight Tunnel Closure for Electrical Work June 24 map

Detours are as follows:

FROM OAKLAND — Travel south along I-880 and cross the Oakland Estuary via the Park Street Bridge. 
FROM ALAMEDA — Travel east to Atlantic Avenue and cross over the estuary at the Park Street Bridge.

Please drive with caution. Slow for the Cone Zone and Be Work Zone Alert. Caltrans thanks motorists for their patience while we work to maintain our state’s highways, bridges, and tunnels.
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/.