Starting at 10:00 PM on Wednesday, June 11, 2025
Alameda County — Caltrans will temporarily close the Posey Tube (State Route 61) connecting Alameda and Oakland on the night of Wednesday, June 11, 2025, to conduct a scheduled fire drill exercise.
Closure Details
- Date: Wednesday, June 11, 2025
- Time: 10:00 PM to 4:30 AM
- Location: Posey Tube (Alameda to Oakland)
The Posey Tube will be closed overnight only and reopen by early morning. The tunnel will remain open during daytime hours.
Caltrans thanks motorists for their patience as we perform this essential maintenance work.
Be Work Zone Alert and expect travel delays.
Caltrans will update its X page at https://X.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out Caltrans Quickmap https://quickmap.dot.ca.gov/
Motorists can also receive 24/7 highway condition information statewide by calling 1-800-427-ROAD or 1-800-427-7623.
Thank you for your patience as we work to maintain our state’s highways, bridges, and tunnels.
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