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

Published on October 28, 2021

Webster Tube (State Route 61) Overnight Closure

For Maintenance Work November 4, 2021

ALAMEDA COUNTY — Caltrans has scheduled an overnight closure of the State Route 61 Posey Tube Webster Tube on Thursday, November 4, 2021.

The Webster Tube will be closed from 10 p.m. Thursday to 5 a.m. Friday. The Posey Tube will remain open.

The purpose of the closures is to accommodate maintenance work. Work will be postponed if it rains.

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 sites during the closures.

Vehicles with three or more axles are currently restricted from traveling through the tubes.

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/.