Webster and Posey Tubes State Route 61 Full Alternating Tunnel Closures


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

To Complete Tunnel Maintenance Tentatively Starts Monday,

January 6 until May 2020

Alameda/Oakland Caltrans will conduct tunnel maintenance on State Route 61 (Webster and Posey Tubes) in the Cities of Alameda and Oakland, Alameda County. This work will include the repair and rehabilitation of the Fire-Life Safety System in both tubes. The work will tentatively begin on Monday, January 6 and continue through May 2020, Monday through Friday from 10:00 PM until 5:00 AM.Shuttle services will be provided for pedestrians and cyclists during the Posey Tube closures.

Closure Information 10:00 PM until 5:00 AM:

  • Posey Tube (leading into Oakland): Full Tube Closure tentatively begins Monday, January 6 until March 2020, Monday through Friday.
  • Webster Tube (leading into Alameda): Full Tube Closure begins March 2020 until May 2020, Monday through Friday.

Oakland-Alameda Tubes Map

Pedestrians/Cyclists Shuttle Bus For additional information contact (510) 401-4657

Alameda to Oakland Marina Village Parkway Shopping Center, Alameda

Alameda to Oakland – Marina Village Parkway Shopping Center Alameda


Oakland to Alameda 350 4th Street, Oakland

Oakland to Alameda 350 4th Street Oakland

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.

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