CA · Highway

US-101 S Accidents & Crashes

US-101 S has recorded 3,449 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 19 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 Oct. 27, 2026.

Breakdown by type: 129 accident.

129

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

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 129 results

129 accident

CHP : Traffic Hazard on US-101 Southbound north of E Dunne Ave (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 1 day ago

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

Marin 1 day, 10 hours ago

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

Marin 1 day, 12 hours ago

CHP : Residual delays on US-101 Southbound at E San Martin Ave (San Martin). Center Divider affected. Expect delays.

Santa Clara 1 day, 16 hours ago

CHP : Traffic Collision on US-101 Southbound south of N Shoreline Blvd (Mountain View). Lane affected. Expect delays.

Santa Clara 4 days, 8 hours ago

CHP : Disabled vehicle on US-101 Southbound south of Howard St (San Francisco). Right lane blocked. Expect delays.

San Francisco 4 days, 11 hours ago

CHP : Traffic Collision on US-101 Southbound south of CA-1 S (San Francisco). Lanes blocked. Expect delays.

San Francisco 5 days, 12 hours ago

CHP : Fire on US-101 Southbound entering at Howard St (San Francisco). Left lane blocked. Expect delays.

San Francisco 6 days, 19 hours ago

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

Sonoma 1 week ago

CHP : Traffic Collision with Injuries on US-101 Southbound south of Blossom Hill Rd (San Jose). Center Divider affected. Expect delays.

Santa Clara 1 week, 2 days ago

CHP : Traffic Collision with Injuries on US-101 Southbound south of Merchant Rd (San Francisco). Right shoulder affected. Expect delays.

San Francisco 1 week, 2 days ago

CHP : Residual delays on US-101 Southbound north of Cochrane Rd (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 1 week, 4 days ago

CHP : Disabled vehicle on US-101 Southbound north of N Fair Oaks Ave (Sunnyvale). Center Divider affected. Expect delays.

Santa Clara 2 weeks ago

CHP : Disabled vehicle on US-101 Southbound north of Coyote Creek Golf Dr (San Jose). Center Divider affected. Expect delays.

Santa Clara 2 weeks, 2 days ago

CHP : Traffic Collision on US-101 Southbound south of Howard St (San Francisco). Left lane blocked. Expect delays.

San Francisco 2 weeks, 6 days ago

CHP : Residual delays on US-101 Southbound north of Windsor River Rd (Windsor). Center Divider affected. Expect delays.

Sonoma 3 weeks, 1 day ago

CHP : Traffic Hazard on US-101 Southbound north of Howard St (San Francisco). Left lane affected. Expect delays.

San Francisco 3 weeks, 2 days ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of Old Redwood Hwy (Healdsburg). Center Divider affected. Expect delays.

Sonoma 3 weeks, 5 days ago

CHP : Disabled vehicle on US-101 Southbound north of Sister Cities Blvd (South San Francisco). Center Divider affected. Expect delays.

San Mateo 1 month ago

CHP : Traffic Hazard on US-101 Southbound north of Tully Rd (San Jose). Center Divider affected. Expect delays.

Santa Clara 1 month ago

CHP : Disabled vehicle on US-101 Southbound south of Howard St (San Francisco). Right shoulder affected. Expect delays.

San Francisco 1 month, 1 week ago

CHP : Traffic Hazard on US-101 Southbound south of CA-1 S (San Francisco). Lane blocked. Expect delays.

San Francisco 1 month, 1 week ago

CHP : Traffic Collision on US-101 Southbound north of CA-1 S (San Francisco). Lanes blocked. Expect delays.

San Francisco 1 month, 1 week ago

CHP : Traffic Hazard on US-101 Southbound at Howard St (San Francisco). Right lane affected. Expect delays.

San Francisco 1 month, 1 week ago

CHP : Traffic Hazard on US-101 Southbound at I-380 W (South San Francisco). Center Divider affected. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Fog on US-101 Southbound south of Merchant Rd (San Francisco). Lane affected. Expect delays.

San Francisco 1 month, 2 weeks ago

CHP : Traffic Hazard on US-101 Southbound south of Merchant Rd (San Francisco). Lane affected. Expect delays.

San Francisco 1 month, 2 weeks ago

CHP : Residual delays on US-101 Southbound at Cochrane Rd (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 1 month, 2 weeks ago

CHP : Traffic Collision on US-101 Southbound ramp to I-380 W (South San Francisco). Lane affected. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision on US-101 Southbound at CA-1 S (San Francisco). Lane affected. Expect delays.

San Francisco 1 month, 2 weeks ago

CHP : Residual delays on US-101 Southbound north of Cochrane Rd (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 1 month, 3 weeks ago

CHP : Traffic Hazard on US-101 Southbound south of Howard St (San Francisco). Lane affected. Expect delays.

San Francisco 1 month, 3 weeks ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of San Tomas Expy (Santa Clara). Center Divider affected. Expect delays.

Santa Clara 1 month, 3 weeks ago

CHP : Disabled vehicle on US-101 Southbound north of Blossom Hill Rd (San Jose). Center Divider affected. Expect delays.

Santa Clara 1 month, 3 weeks ago

CHP : Traffic Collision on US-101 Southbound south of Merchant Rd (San Francisco). Lane affected. Expect delays.

San Francisco 1 month, 4 weeks ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of CA-1 S (San Francisco). Right shoulder affected. Expect delays.

San Francisco 2 months ago

CHP : Disabled vehicle on US-101 Southbound north of E Washington St (Petaluma). Center Divider affected. Expect delays.

Sonoma 2 months ago

CHP : Traffic Collision on US-101 Southbound north of Merchant Rd (San Francisco). Lane blocked. Expect delays.

San Francisco 2 months ago

CHP : Residual delays on US-101 Southbound north of Cesar Chavez St (San Francisco). Center Divider affected. Expect delays.

San Francisco 2 months ago

CHP : Traffic Collision on US-101 Southbound south of Airport Pky (San Jose). Center Divider blocked. Expect delays.

Santa Clara 2 months ago

CHP : Residual delays on US-101 Southbound south of 7TH St (Santa Rosa). Center Divider affected. Expect delays.

Sonoma 2 months, 2 weeks ago

CHP : Residual delays on US-101 Southbound north of E San Martin Ave (San Martin). Center Divider affected. Expect delays.

Santa Clara 2 months, 2 weeks ago

CHP : Traffic Collision with Injuries on US-101 Southbound at Cochrane Rd (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 2 months, 2 weeks ago

CHP : Traffic Collision on US-101 Southbound north of Tennant Ave (Morgan Hill). Center Divider affected. Expect delays.

Santa Clara 2 months, 2 weeks ago

CHP : Traffic Hazard on US-101 Southbound at Howard St (San Francisco). Lane affected. Expect delays.

San Francisco 2 months, 2 weeks ago

CHP : Brush fire on US-101 Southbound south of Bicentennial Way (Santa Rosa). Center Divider affected. Expect delays.

Sonoma 2 months, 2 weeks ago

CHP : Disabled vehicle on US-101 Southbound north of Moffett Blvd (Mountain View). Center Divider affected. Expect delays.

Santa Clara 2 months, 3 weeks ago

CHP : Traffic Collision on US-101 Southbound south of S Airport Blvd (South San Francisco). Right shoulder affected. Expect delays.

San Mateo 2 months, 3 weeks ago

CHP : Traffic Collision on US-101 Southbound north of Merchant Rd (San Francisco). Lane blocked. Expect delays.

San Francisco 2 months, 3 weeks ago

CHP : Traffic Hazard on US-101 Southbound at Howard St (San Francisco). Lane affected. Expect delays.

San Francisco 2 months, 4 weeks ago