SF Webster Tube Closes Early — Posey Route Open
Webster Tube closure between Oakland and Alameda moved up to 7pm tonight from later time
Webster Tube Closure Starts at 7pm Tonight
Drivers crossing between Oakland and Alameda need to adjust evening plans as the Webster Tube's nighttime closure now begins at 7pm instead of the originally scheduled time, transit officials said. The earlier closure time means rush hour commuters will face a tighter window to use this critical underwater tunnel connecting the two East Bay cities. Officials didn't specify why the closure time was moved up or when the tube will reopen.
Critical Bay Area Connection Affected
The Webster Tube serves as one of two underwater tunnels linking Oakland and Alameda, carrying thousands of vehicles daily through the East Bay corridor. Transit officials announced the schedule change Friday, giving commuters limited notice to adjust their routes. The tunnel typically undergoes periodic maintenance closures, though specific details about tonight's work weren't provided. Officials said the earlier start time could affect more evening commuters than standard late-night closures.
Alternative Routes Available
Drivers can use the nearby Posey Tube as the primary alternative route during the Webster Tube closure, officials said. Both tunnels connect the same cities but serve different traffic patterns and vehicle types. Officials didn't provide information about expected traffic volumes on the Posey Tube or whether any traffic management measures will be in place. The agency hasn't said whether additional signage or traffic control personnel will be deployed to manage the diversion.
Closure Begins This Evening
The modified closure schedule takes effect at 7pm tonight, officials confirmed. A specific reopening time wasn't announced, though typical maintenance closures last several hours overnight. Officials said drivers should complete their Webster Tube crossings before the 7pm start time to avoid delays and detours.
Plan Your Route Tonight
Evening commuters should factor in extra travel time and consider alternative routes before the 7pm closure begins. Officials said drivers unfamiliar with the Posey Tube detour should allow additional time for navigation. Real-time traffic updates and alternative route guidance are available through Moovit for Bay Area drivers navigating tonight's closure.
