State Route 61 Webster-Posey Tubes Full Tunnel Closures

Published:

District:    4 - Oakland
Contact:    Chiconda Davis
Phone:    (510) 286-1227

For Tunnel Maintenance (Annual Fire Extinguisher Inspections) Starts Wednesday, December 11 until Friday, December 13, 2019

Alameda/Oakland – Caltrans will conduct tunnel maintenance on State Route 61 (Webster and Posey Tubes) in the Cities of Alameda and Oakland, Alameda County. These closures are needed to conduct annual fire extinguisher inspections in both tunnels. The closures will begin on Wednesday, December 11 until Friday, December 13, from 10:00 PM until 12:01 AM, weather permitting. If it Rains, closures will be rescheduled for a later date.

Closure Information is as follows for each tube

Webster Tube (leading into Alameda): Full Tube Closure starts Wednesday, December 11 until Thursday, December 12.
Posey Tube (leading into Oakland): Full Tube Closure starts Thursday, December 12 until Friday, December 13.

Traffic Controls Measures

Changeable message signs and directional signs will be in place to assist motorists traveling in the area. Please follow posted detour information.  Motorists are advised to expect delays and allow extra time for their commute. Please drive with caution through the construction zone. Slow for the Cone Zone.

Webster Posey Tubes Map

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