If you’re planning on cruising on Interstate 280 northbound in San Francisco over the Labor Day weekend, be aware that a stretch of the freeway will be closed starting at 2 p.m. today and continuing through Tuesday, Sept. 2, at 5 a.m..

The closure will occur from the 101/280 interchange through downtown San Francisco. Caltrans says it expects a “significant travel delay” as traffic will be rerouted to U.S. 101.

Southbound 280 will remain open.

Here are the on-ramps that will be closed:

  • Alemany Boulevard
  • U.S. 101 connector to northbound Interstate 280
  • Indiana Street/25th Street
  • 18th Street

Use 511.org to map out your trip using public transportation, which Caltrans strongly recommends, or to check traffic conditions.


  • Strandwolf

    duh…WHY? -who cares? We just go along to get along. Ours is not to wonder why, ours is but to do and die.

    • warpinsf

      Bridge hinge replacement.


Jon Brooks

Jon Brooks is the host and editor for KQED's daily health and technology blog, Future of You. He is the former editor of KQED News Fix.

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