CA · Highway

US-101 S Accidents & Crashes

US-101 S has recorded 3,620 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 28 new crashes were reported. The highest crash volumes are concentrated near Santa Clara and Marin.

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 Nov. 3, 2026.

Breakdown by type: 900 accident.

900

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

13

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 900 results

900 accident

CHP : Traffic Hazard on US-101 Southbound north of E Blithedale Ave (Mill Valley). Center lanes affected. Expect delays.

Moderate Accident

Marin 15 minutes ago

CHP : Traffic Collision on US-101 Southbound exiting at Holly St (San Carlos). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 15 minutes ago

CHP : Traffic Collision on US-101 Southbound south of River Rd (Unincorporated). Center lane blocked. Expect delays.

Moderate Accident

Sonoma 4 hours, 15 minutes ago

CHP : Traffic Collision with Injuries on US-101 Southbound at Ralston Ave (Belmont). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 9 hours ago

CHP : Traffic Hazard on US-101 Southbound at Mckee Rd (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 11 hours ago

CHP : Vehicle fire on US-101 Southbound north of University Ave (East Palo Alto). Lane affected. Expect delays.

Moderate Accident

San Mateo 11 hours ago

CHP : Traffic Collision on US-101 Southbound at I-580 W (San Rafael). Lane blocked. Expect delays.

Moderate Accident

Marin 15 hours ago

CHP : Disabled vehicle on US-101 Southbound north of Embarcadero Rd (Palo Alto). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 15 hours, 15 minutes ago

CHP : Residual delays on US-101 Southbound south of Tennant Ave (Morgan Hill). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 18 hours, 30 minutes ago

CHP : Traffic Collision on US-101 Southbound south of Manuel t Freitas Pky (San Rafael). Right and center lanes affected. Expect delays.

Moderate Accident

Marin 19 hours, 15 minutes ago

CHP : Traffic Hazard on US-101 Southbound south of I-80 W (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 19 hours, 30 minutes ago

CHP : Disabled vehicle on US-101 Southbound north of San Tomas Expy (Santa Clara). Lane affected. Expect delays.

Moderate Accident

Santa Clara 19 hours, 30 minutes ago

CHP : Traffic Collision on US-101 Southbound at I-80 W (San Francisco). Left lane affected. Expect delays.

Moderate Accident

San Francisco 19 hours, 45 minutes ago

CHP : Traffic Hazard on US-101 Southbound north of I-280 N (san Jose) (San Jose). Right lane affected. Expect delays.

Moderate Accident

Santa Clara 21 hours ago

CHP : Traffic Collision on US-101 Southbound at Theresa Dr (Cloverdale). Lane affected. Expect delays.

Moderate Accident

Sonoma 22 hours, 30 minutes ago

CHP : Fire on US-101 Southbound north of Bowers Ave (Santa Clara). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 3 hours ago

CHP : Disabled vehicle on US-101 Southbound south of E Blithedale Ave (Mill Valley). Lane blocked. Expect delays.

Moderate Accident

Marin 1 day, 17 hours ago

CHP : Traffic Collision with Injuries and Overturned vehicle on US-101 Southbound north of Pacheco Pass Hwy (Gilroy). Lane affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 21 hours ago

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

Moderate Accident

San Francisco 1 day, 22 hours ago

CHP : Residual delays on US-101 Southbound south of De La Cruz Blvd (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 2 hours ago

CHP : Traffic Collision on US-101 Southbound south of De La Cruz Blvd (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 2 hours ago

CHP : Traffic Collision on US-101 Southbound at CA-237 E (Sunnyvale). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 10 hours ago

CHP : Traffic Collision on US-101 Southbound south of Cesar Chavez St (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 2 days, 11 hours ago

CHP : Traffic Collision on US-101 Southbound north of Silver Ave (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 2 days, 12 hours ago

CHP : Traffic Collision on US-101 Southbound at Cesar Chavez St (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 2 days, 13 hours ago

CHP : Disabled vehicle on US-101 Southbound north of E San Martin Ave (San Martin). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 14 hours ago

CHP : Disabled vehicle on US-101 Southbound north of I-80 W (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 2 days, 15 hours ago

CHP : Traffic Hazard on US-101 Southbound north of Bowers Ave (Santa Clara). Right lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 15 hours ago

CHP : Traffic Collision on US-101 Southbound north of Manuel t Freitas Pky (San Rafael). Lane affected. Expect delays.

Moderate Accident

Marin 2 days, 16 hours ago

CHP : Traffic Collision on US-101 Southbound south of E Millbrae Ave (Millbrae). Lane affected. Expect delays.

Moderate Accident

San Mateo 2 days, 16 hours ago

CHP : Disabled vehicle on US-101 Southbound at Bernal Rd (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 16 hours ago

CHP : Traffic Hazard on US-101 Southbound north of Todd Rd (Santa Rosa). Lane affected. Expect delays.

Moderate Accident

Sonoma 2 days, 19 hours ago

CHP : Disabled vehicle on US-101 Southbound north of Cesar Chavez St (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 2 days, 20 hours ago

CHP : Traffic Hazard on US-101 Southbound north of E Millbrae Ave (Millbrae). Lanes affected. Expect delays.

Moderate Accident

San Mateo 2 days, 21 hours ago

CHP : Disabled vehicle on US-101 Southbound north of Alemany Blvd (San Francisco). Lanes affected. Expect delays.

Moderate Accident

San Francisco 2 days, 23 hours ago

CHP : Traffic Hazard on US-101 Southbound at W Railroad Ave (Cotati). Lane affected. Expect delays.

Moderate Accident

Sonoma 2 days, 23 hours ago

CHP : Traffic Hazard on US-101 Southbound north of CA-237 E (Sunnyvale). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 23 hours ago

CHP : Traffic Hazard on US-101 Southbound at Rowland Blvd (Novato). Right shoulder affected. Expect delays.

Moderate Accident

Marin 2 days, 23 hours ago

CHP : Traffic Hazard on US-101 Southbound north of N Shoreline Blvd (Mountain View). Center lane blocked. Expect delays.

Moderate Accident

Santa Clara 3 days ago

CHP : Traffic Hazard on US-101 Southbound at Todd Rd (Santa Rosa). Right lane affected. Expect delays.

Moderate Accident

Sonoma 3 days, 1 hour ago

CHP : Traffic Hazard on US-101 Southbound at Ellis St (Mountain View). Right lanes affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 1 hour ago

CHP : Disabled vehicle on US-101 Southbound at Lucas Valley Rd (San Rafael). Right shoulder affected. Expect delays.

Moderate Accident

Marin 3 days, 2 hours ago

CHP : Traffic Hazard on US-101 Southbound at River Rd (Unincorporated). Lane affected. Expect delays.

Moderate Accident

Sonoma 3 days, 2 hours ago

CHP : Traffic Hazard on US-101 Southbound north of CA-92 E (San Mateo). Right lane affected. Expect delays.

Moderate Accident

San Mateo 3 days, 3 hours ago

CHP : Traffic Hazard on US-101 Southbound north of E San Martin Ave (San Martin). Lane affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 3 hours ago

CHP : Traffic Hazard on US-101 Southbound north of Lakeville St (Petaluma). Lane blocked. Expect delays.

Moderate Accident

Sonoma 3 days, 4 hours ago

CHP : Traffic Hazard on US-101 Southbound north of Lucas Valley Rd (San Rafael). Center lanes affected. Expect delays.

Moderate Accident

Marin 3 days, 5 hours ago

CHP : Disabled vehicle on US-101 Southbound east of CA-92 W (San Mateo). Lane affected. Expect delays.

Moderate Accident

San Mateo 3 days, 5 hours ago

CHP : Traffic Collision on US-101 Southbound at Grand Ave (South San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Mateo 3 days, 6 hours ago

CHP : Traffic Collision on US-101 Southbound north of Leavesley Rd (Gilroy). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 12 hours ago