Friday, October 30, 2026
Alameda County – Caltrans will close the Posey Tube (SR-260) overnight between Alameda and Oakland for biennial inspections and routine tube maintenance.
Closure Schedule
Friday, October 30
10:00 p.m. to 4:30 a.m. Saturday, October 31
During the closure, crews will conduct routine maintenance operations inside the Posey Tube.
Motorists traveling from Alameda to Oakland should use the Park Street Bridge, Fruitvale Avenue Bridge, or High Street Bridge as alternate routes.
The Webster Tube, which carries traffic from Oakland into Alameda, will remain open. Caltrans thanks motorists for their patience while crews perform this necessary inspection and maintenance work. Please allow extra travel time and follow posted detour signs.
Be Work Zone Alert and expect travel delays.
Caltrans thanks the public for their patience and cooperation as we continue to improve California's transportation network.
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.
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