California Department of Transportation
07/14/2025 | Press release | Distributed by Public on 07/14/2025 17:40
Overnight Closures Scheduled for Posey Tube (State Route 61) Monday, July 14 to Wednesday, July 16, 2025
Overnight Closures Scheduled for Posey Tube (State Route 61) Monday, July 14 to Wednesday, July 16, 2025
Published: Jul 14, 2025
Alameda County - Caltrans will perform overnight maintenance work inside the Posey Tube beginning Monday, July 14 through Wednesday, July 16, 2025, as part of a Clean California-funded improvement effort.
To ensure the safety of crews and the public, the Posey Tube will be closed nightly from 10:00 PM to 4:30 AM. During this time, motorists are advised to use alternate routes, such as the Webster Tube or the Park Street Bridge, and allow extra travel time.
Closure Details:
Location: Posey Tube (Alameda to Oakland)
Dates: Monday, July 14 - Wednesday, July 16, 2025
Time: 10:00 PM - 4:30 AM (nightly closures)
Be Work Zone Alert and expect travel delays.
Caltrans will update its Twitter page at https://twitter.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out Caltrans Quickmap https://http://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.
Caltrans thanks the public for their patience and cooperation as we continue to improve California's transportation network.
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