CA · County

San Mateo Car Accidents & Crashes

San Mateo County has recorded 6,566 traffic crashes since 2024, including 10 fatal incidents. In the last 24 hours, 26 new crashes were reported. Crash volume is highest on US-101 N and US-101 S.

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. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated Oct. 27, 2026.

Breakdown by type: 16 accident.

16

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 16 incidents with location data · click a marker to view details

Crash Records

San Mateo Incidents 16 results

16 accident

CHP : Traffic Collision with Injuries on CA-35 Northbound at CA-1 N (Daly City). Lane affected. Expect delays.

CA-35 N 1 day, 12 hours ago

CHP : Traffic Collision on I-280 Southbound north of Golf Course Dr (Unincorporated). Center Divider affected. Expect delays.

I-280 S 1 day, 17 hours ago

CHP : Disabled vehicle on CA-92 Eastbound west of S El Camino Real (San Mateo). Center Divider affected. Expect delays.

CA-92 E 1 day, 20 hours ago

CHP : Traffic Collision on I-380 Eastbound at El Camino Real (San Bruno). Lane affected. Expect delays.

I-380 E 2 days, 15 hours ago

CHP : Traffic Hazard on CA-35 Southbound north of John Daly Blvd (Daly City). Left lane blocked. Expect delays.

CA-35 S 4 days, 22 hours ago

CHP : Traffic Collision on I-280 Southbound north of Canada Rd (Woodside). Center Divider affected. Expect delays.

I-280 S 5 days, 2 hours ago

CHP : Traffic Collision on CA-82 Northbound south of Stockbridge Ave (Atherton). Right lane blocked. Expect delays.

CA-82 N 1 week, 3 days ago

CHP : Disabled vehicle on I-280 Southbound north of I-280 S-CA-1 S Join (Daly City). Center Divider affected. Expect delays.

I-280 S 1 week, 6 days ago

CHP : Traffic Collision on I-280 Southbound north of John Daly Blvd (Daly City). Lane affected. Expect delays.

I-280 S 2 weeks, 1 day ago

CHP : Residual delays on CA-1 Northbound south of Milagra Dr (Pacifica). Center Divider affected. Expect delays.

CA-1 N 2 weeks, 2 days ago

CHP : Traffic Collision on I-280 Southbound north of John Daly Blvd (Daly City). Right shoulder affected. Expect delays.

I-280 S 2 weeks, 3 days ago

CHP : Disabled vehicle on CA-35 Northbound north of Hickey Blvd (Daly City). Lane blocked. Expect delays.

CA-35 N 2 weeks, 3 days ago

CHP : Traffic Collision on I-380 Eastbound north of El Camino Real (San Bruno). Lane affected. Expect delays.

I-380 E 2 weeks, 4 days ago

CHP : Emergency roadwork on CA-82 Northbound south of Trousdale Dr (Burlingame). All lanes closed. Avoid the area.

CA-82 N 2 weeks, 6 days ago

CHP : Residual delays on I-280 Southbound at CA-92 E (San Mateo). Center Divider affected. Expect delays.

I-280 S 3 weeks, 6 days ago

CHP : Traffic Hazard on San Bruno Ave Eastbound north of San Mateo Ave (San Bruno). Right lane blocked. Expect delays.

San Bruno Ave E 4 weeks, 1 day ago