CA · Highway

US-101 S Accidents & Crashes

US-101 S has recorded 957 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 20 new crashes were reported. The highest crash volumes are concentrated near Santa Clara and Sonoma.

Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. Records include crash severity, injury data, vehicle information, and precise geographic coordinates. Last updated May 28, 2026.

Breakdown by type: 75 accident.

75

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

2

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on US-101 S. Click a marker to view details.

Crash Records

US-101 S Incidents 75 results

75 accident

CHP : Disabled vehicle on US-101 Southbound north of Marin - San Francisco County Line (San Francisco). Lane blocked. Expect delays.

San Francisco 8 hours, 27 minutes ago

CHP : Traffic Collision with Injuries on US-101 Southbound exiting at Silver Ave (San Francisco). Off Ramp affected. Expect delays.

San Francisco 18 hours, 57 minutes ago

CHP : Traffic Hazard on US-101 Southbound north of San Benito County Line (Gilroy). Lanes blocked. Expect delays.

Santa Clara 1 day, 20 hours ago

CHP : Traffic Collision on US-101 Southbound entering at E Hillsdale Blvd (San Mateo). On Ramp affected. Expect delays.

San Mateo 1 day, 21 hours ago

CHP : Grass fire on US-101 Southbound at Tully Rd (San Jose). Off Ramp affected. Expect delays.

Santa Clara 2 days ago

CHP : Traffic Hazard on US-101 Southbound ramp to CA-85 S (mountain View) (Mountain View). Connector ramp blocked. Expect delays.

Santa Clara 3 days ago

CHP : Traffic Hazard on US-101 Southbound south of Monterey Hwy (Gilroy). On Ramp affected. Expect delays.

Santa Clara 3 days, 12 hours ago

CHP : Traffic Collision on US-101 Southbound at Baker Ave (Santa Rosa). Off Ramp affected. Expect delays.

Sonoma 4 days, 11 hours ago

CHP : Fire on US-101 Southbound at Cesar Chavez St (San Francisco). On Ramp affected. Expect delays.

San Francisco 4 days, 15 hours ago

CHP : Disabled vehicle on US-101 Southbound at San Antonio Ave (Mountain View). Off Ramp blocked. Expect delays.

Santa Clara 5 days, 3 hours ago

CHP : Traffic Collision on US-101 Southbound entering at Manuel t Freitas Pky (San Rafael). On Ramp affected. Expect delays.

Marin 5 days, 4 hours ago

CHP : Traffic Collision with Injuries on US-101 Southbound between Metcalf Rd (San Jose) and Coyote Creek Golf Dr (San Jose). All lanes blocked. Avoid the area.

Santa Clara 5 days, 22 hours ago

CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Southbound north of Cesar Chavez St (San Francisco). Right lanes blocked. Expect delays.

San Francisco 6 days, 17 hours ago

CHP : Disabled vehicle on US-101 Southbound exiting at San Marin Dr (Novato). Off Ramp blocked. Expect delays.

Marin 1 week ago

CHP : Traffic Collision on US-101 Southbound exiting at San Marin Dr (Novato). Off Ramp affected. Expect delays.

Marin 1 week, 1 day ago

CHP : Residual delays on US-101 Southbound ramp to CA-92 E (San Mateo). Connector ramp affected. Expect delays.

San Mateo 1 week, 4 days ago

CHP : Traffic Hazard on US-101 Southbound exiting at Ignacio Blvd (Novato). Off Ramp affected. Expect delays.

Marin 1 week, 5 days ago

CHP : Traffic Hazard on US-101 Southbound exiting at 3RD St (San Rafael). Off Ramp blocked. Expect delays.

Marin 1 week, 5 days ago

CHP : Traffic Hazard on US-101 Southbound ramp to I-880 S (San Jose). Connector ramp blocked. Expect delays.

Santa Clara 2 weeks ago

CHP : Traffic Hazard on US-101 Southbound south of W Sierra Ave (Cotati). Lanes affected. Expect delays.

Sonoma 2 weeks, 1 day ago

CHP : Traffic Hazard on US-101 Southbound south of Rohnert Park Expy W (Rohnert Park). Right lanes affected. Expect delays.

Sonoma 2 weeks, 2 days ago

CHP : Severe traffic alert and Disabled tractor trailer on US-101 Southbound south of I-80 W (San Francisco). 2nd lane from the left blocked. Expect delays.

San Francisco 2 weeks, 3 days ago

CHP : Traffic Hazard on US-101 Southbound at Cesar Chavez St (San Francisco). Off Ramp blocked. Expect delays.

San Francisco 2 weeks, 3 days ago

CHP : Traffic Collision on US-101 Southbound ramp to I-80 E (San Francisco). Left lane blocked. Expect delays.

San Francisco 2 weeks, 3 days ago

CHP : Traffic Collision on US-101 Southbound at E Capitol Expy (San Jose). Off Ramp affected. Expect delays.

Santa Clara 2 weeks, 3 days ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of Gravenstein Hwy (Cotati). Lanes blocked. Expect delays.

Sonoma 2 weeks, 4 days ago

CHP : Traffic Collision on US-101 Southbound exiting at E San Martin Ave (San Martin). Off Ramp affected. Expect delays.

Santa Clara 2 weeks, 4 days ago

CHP : Traffic Collision on US-101 Southbound at Gravenstein Hwy (Cotati). Off Ramp blocked. Expect delays.

Sonoma 2 weeks, 4 days ago

CHP : Traffic Collision on US-101 Southbound exiting at Whipple Ave (Redwood City). Off Ramp blocked. Expect delays.

San Mateo 2 weeks, 5 days ago

CHP : Disabled vehicle on US-101 Southbound north of San Marin Dr (Novato). Off Ramp affected. Expect delays.

Marin 2 weeks, 5 days ago

CHP : Disabled vehicle on US-101 Southbound at San Marin Dr (Novato). Off Ramp affected. Expect delays.

Marin 2 weeks, 5 days ago

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). Off Ramp affected. Expect delays.

San Mateo 2 weeks, 5 days ago

CHP : Traffic Collision with Injuries on US-101 Southbound exiting at Wilfred Ave (Rohnert Park). Off Ramp blocked. Expect delays.

Sonoma 2 weeks, 5 days ago

CHP : Fire on US-101 Southbound at Cesar Chavez St (San Francisco). On Ramp affected. Expect delays.

San Francisco 3 weeks ago

CHP : Traffic Hazard on US-101 Southbound entering at Hearn Ave (Santa Rosa). On Ramp affected. Expect delays.

Sonoma 3 weeks ago

CHP : Traffic Hazard on US-101 Southbound north of Windsor River Rd (Windsor). Lanes blocked. Expect delays.

Sonoma 3 weeks, 1 day ago

CHP : Traffic Collision with Injuries on US-101 Southbound ramp to CA-12 E (Santa Rosa). Connector ramp blocked. Expect delays.

Sonoma 3 weeks, 2 days ago

CHP : Traffic Hazard on US-101 Southbound south of Dry Creek Rd (Healdsburg). Lanes blocked. Expect delays.

Sonoma 3 weeks, 2 days ago

CHP : Vehicle fire on US-101 Southbound exiting at N San Pedro Rd (San Rafael). Off Ramp closed. Expect delays.

Marin 3 weeks, 2 days ago

CHP : Traffic Hazard on US-101 Southbound ramp to CA-37 E (Novato). Connector ramp blocked. Expect delays.

Marin 3 weeks, 3 days ago

CHP : Traffic Hazard on US-101 Southbound exiting at Miller Creek Rd (Unincorporated). Off Ramp affected. Expect delays.

Marin 3 weeks, 3 days ago

CHP : Traffic Collision on US-101 Southbound at De La Cruz Blvd (San Jose). On Ramp affected. Expect delays.

Santa Clara 3 weeks, 4 days ago

CHP : Traffic Collision on US-101 Southbound north of Cesar Chavez St (San Francisco). Off Ramp affected. Expect delays.

San Francisco 3 weeks, 5 days ago

CHP : Traffic Collision on US-101 Southbound exiting at Tully Rd (San Jose). Off Ramp affected. Expect delays.

Santa Clara 4 weeks, 1 day ago

CHP : Traffic Collision on US-101 Southbound north of Marin - San Francisco County Line (San Francisco). Lanes affected. Expect delays.

San Francisco 4 weeks, 1 day ago

CHP : Traffic Hazard on US-101 Southbound north of Hearn Ave (Santa Rosa). Center lanes affected. Expect delays.

Sonoma 1 month ago

CHP : Traffic Hazard on US-101 Southbound north of Wolfback Rdg (Sausalito). Off Ramp affected. Expect delays.

Marin 1 month ago

CHP : Traffic Collision on US-101 Southbound south of I-80 W (San Francisco). Off Ramp affected. Expect delays.

San Francisco 1 month ago

CHP : Traffic Hazard on US-101 Southbound north of Petaluma Blvd N (Petaluma). Left and center lanes blocked. Expect delays.

Sonoma 1 month ago

CHP : Traffic Collision with Injuries and Overturned vehicle on US-101 Southbound exiting at Old Middlefield Way (Mountain View). Off Ramp blocked. Expect delays.

Santa Clara 1 month ago