Multi-vehicle San Francisco collision on southbound U.S. Hwy 101 snarls traffic

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Due to a collision involving numerous vehicles that closed many southbound lanes of U.S. Highway 101 in San Francisco on Tuesday afternoon, CHP issued a severe traffic alert.

One overturned vehicle was involved in the injury collision, which was reported just north of Cesar Chavez St. in San Francisco just before 1:30 p.m. According to CHP, the injuries were classified as slight to moderate.

At first, the #2-4 southbound lanes were closed. To help clear the road, tow trucks were on their way, and CHP and emergency services are now on the scene. The #2 lane reopened shortly after.

To help clear the road, tow vehicles are still on their way. As emergency personnel continue to clear the area, the #3 and #4 s/b lanes of US-101 s/b, N/ of Cesar Chavez St off-ramp are still closed. I appreciate your patience.X2XAjMWX7W pic.twitter.com/

All the way back to Treasure Island on the Bay Bridge, traffic was already backed up in the southbound direction.

Drivers are encouraged to avoid the area by taking alternate routes, such as southbound I-280, and to anticipate delays. According to CHP, all lanes reopened at approximately 2:15 p.m.

Just north of the Cesar Chavez Street off-ramp, all lanes of US-101 s/b are now open.

The managing editor of the CBS Bay Area website is Dave Pehling. In the late 1990s, he began producing music-related freelance articles as a journalist. In 2003, he joined KTVU.com as a web writer, editor, and producer. In 2015, he started working for CBS Bay Area.

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