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San Mateo Car Accidents & Crashes

Browse all 2,074 crash records in San Mateo, California. Data sourced from official California crash records and live incident feeds.

2,074
Total Crashes
All time records
9
Fatalities
Fatal injury reports
11
Today
Reported since midnight
Today's Accidents Today's Fatalities

showing most recent 500 incidents with location data · click a marker to view details

Crash Records

San Mateo Incidents

2055 accident 19 construction
Caltrans : Emergency construction on CA-1 Southbound at Santa Cruz County Line (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Tuesday, April 07, 2026 to 6:00 PM Tuesday, April 07, 2026.
Construction
CA-1 S 11 minutes ago Live
Caltrans : Pothole Repair on CA-82 Northbound between W Santa Inez Ave (San Mateo) and Peninsula Ave (Burlingame). Lanes closed. From 8:00 AM Tuesday, April 07, 2026 to 5:00 PM Tuesday, April 07, 2026.
Construction
CA-82 N 11 minutes ago Live
Caltrans : Roadwork on CA-82 Southbound at CA-92 E (San Mateo). Lanes closed until 3 PM. From 9:00 AM Tuesday, April 07, 2026 to 3:00 PM Tuesday, April 07, 2026.
Construction
CA-82 S 11 minutes ago Live
CHP : Traffic Collision with Injuries on CA-82 Southbound at W Santa Inez Ave (San Mateo). Lane affected. Expect delays.
Low Accident
CA-82 S 4 hours, 11 minutes ago
CHP : Traffic Hazard on US-101 Northbound south of Grand Ave (South San Francisco). Right lanes blocked. Expect delays.
Moderate Accident
US-101 N 4 hours, 56 minutes ago
Caltrans : Roadwork on CA-1 Southbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 10 AM. From 6:00 PM Monday, April 06, 2026 to 10:00 AM Tuesday, April 07, 2026.
Construction
CA-1 S 7 hours, 41 minutes ago
Caltrans : Roadwork on CA-82 Northbound at Broadway (Burlingame). Lane closed. From 10:00 PM Monday, April 06, 2026 to 6:00 AM Tuesday, April 07, 2026.
Construction
CA-82 N 8 hours, 26 minutes ago
Caltrans : Roadwork on CA-1 Southbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 10:00 PM Monday, April 06, 2026 to 6:00 AM Tuesday, April 07, 2026.
Construction
CA-1 S 8 hours, 26 minutes ago
Caltrans : Roadwork on CA-1 Southbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 10:00 PM Monday, April 06, 2026 to 6:00 AM Tuesday, April 07, 2026.
Construction
CA-1 S 8 hours, 26 minutes ago
Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 8:00 PM Monday, April 06, 2026 to 6:00 AM Tuesday, April 07, 2026.
Construction
CA-1 N 8 hours, 26 minutes ago
CHP : Traffic Hazard on CA-35 Southbound ramp to CA-1 S (Daly City). Connector ramp blocked. Expect delays.
Moderate Accident
CA-35 S 19 hours, 26 minutes ago
Caltrans : Roadwork on CA-82 Southbound at Peninsula Ave (Burlingame). All lanes closed. Expect delays. From 9:00 AM Monday, April 06, 2026 to 6:00 PM Monday, April 06, 2026.
Construction
CA-82 S 20 hours, 26 minutes ago
Caltrans : Roadwork on CA-82 Northbound at Peninsula Ave (Burlingame). All lanes closed. Expect delays. From 9:00 AM Monday, April 06, 2026 to 6:00 PM Monday, April 06, 2026.
Construction
CA-82 N 20 hours, 26 minutes ago
Caltrans : Pothole Repair on CA-82 Northbound between W Santa Inez Ave (San Mateo) and Peninsula Ave (Burlingame). Lanes closed. From 8:00 AM Monday, April 06, 2026 to 5:00 PM Monday, April 06, 2026.
Construction
CA-82 N 21 hours, 26 minutes ago
CHP : Traffic Hazard on I-280 Northbound ramp to CA-92 E (San Mateo). Connector ramp affected. Expect delays.
High Accident
I-280 N 21 hours, 41 minutes ago
CHP : Traffic Collision on I-380 Eastbound east of El Camino Real (San Bruno). Left lane blocked. Expect delays.
Low Accident
I-380 E 21 hours, 56 minutes ago
Caltrans : Emergency construction on CA-1 Southbound at Santa Cruz County Line (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, April 06, 2026 to 6:00 PM Monday, April 06, 2026.
Construction
CA-1 S 22 hours, 11 minutes ago
Caltrans : Roadwork on CA-82 Southbound at CA-92 E (San Mateo). Lanes closed until 3 PM. From 9:00 AM Monday, April 06, 2026 to 3:00 PM Monday, April 06, 2026.
Construction
CA-82 S 23 hours, 11 minutes ago
CHP : Disabled truck on US-101 Southbound at San Bruno Ave E (San Bruno). Left lane blocked. Expect delays.
Moderate Accident
US-101 S 23 hours, 41 minutes ago
CHP : Traffic Collision on I-280 Southbound at CA-84 E (Woodside). Lane affected. Expect delays.
Moderate Accident
I-280 S 1 day, 1 hour ago
Caltrans : Roadwork on CA-82 Southbound between I-380 W (San Bruno) and I-380 E (San Bruno). Lane closed until 2 PM. From 9:00 AM Monday, April 06, 2026 to 2:00 PM Monday, April 06, 2026.
Construction
CA-82 S 1 day, 1 hour ago
CHP : Traffic Collision with Injuries on CA-35 Northbound at Hickey Blvd (Daly City). Lane affected. Expect delays.
Low Accident
CA-35 N 1 day, 5 hours ago
CHP : Traffic Hazard on I-280 Northbound south of Sand Hill Rd (Menlo Park). Left and center lanes affected. Expect delays.
Moderate Accident
I-280 N 1 day, 5 hours ago
CHP : Traffic Hazard on CA-92 Westbound entering at S Delaware St (San Mateo). On Ramp blocked. Expect delays.
High Accident
CA-92 W 1 day, 6 hours ago
Caltrans : Roadwork on CA-82 Southbound at E Hillsdale Blvd (San Mateo). Lanes closed. From 9:00 PM Sunday, April 05, 2026 to 5:00 AM Monday, April 06, 2026.
Construction
CA-82 S 1 day, 9 hours ago
CHP : Traffic Hazard on US-101 Northbound south of Woodside Rd (Redwood City). Lane affected. Expect delays.
Moderate Accident
US-101 N 1 day, 10 hours ago
CHP : Traffic Collision with Injuries on US-101 Northbound at Whipple Ave (Redwood City). Lane affected. Expect delays.
Moderate Accident
US-101 N 1 day, 13 hours ago
CHP : Traffic Hazard on US-101 Northbound at Sierra Point Pky (Brisbane). Lane affected. Expect delays.
Moderate Accident
US-101 N 1 day, 13 hours ago
CHP : Vehicle fire on US-101 Northbound south of Whipple Ave (Redwood City). Lane blocked. Expect delays.
Moderate Accident
US-101 N 1 day, 15 hours ago
CHP : Severe traffic alert and Traffic Collision on US-101 Northbound north of University Ave (East Palo Alto). Left and center lanes blocked. Expect delays.
High Accident
US-101 N 1 day, 16 hours ago
CHP : Disabled vehicle on US-101 Northbound south of Broadway (Burlingame). Lane affected. Expect delays.
Moderate Accident
US-101 N 1 day, 18 hours ago
CHP : Disabled vehicle on CA-84 Eastbound and Westbound west of I-280 S (Woodside). Lane blocked. Expect delays.
Moderate Accident
CA-84 E 1 day, 22 hours ago
CHP : Traffic Collision with Injuries on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lane affected. Expect delays.
Moderate Accident
CA-84 E 2 days ago
CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Right lane closed. Expect delays.
Moderate Accident
I-280 S 2 days, 1 hour ago
CHP : Disabled vehicle on US-101 Southbound north of Woodside Rd (Redwood City). Lane affected. Expect delays.
Moderate Accident
US-101 S 2 days, 1 hour ago
CHP : Residual delays on I-280 Southbound north of Westborough Blvd (South San Francisco). Right shoulder affected. Expect delays.
Moderate Accident
I-280 S 2 days, 1 hour ago
CHP : Vehicle fire on I-280 Southbound north of Sneath Ln (San Bruno). Center Divider affected. Expect delays.
Low Accident
I-280 S 2 days, 2 hours ago
CHP : Traffic Collision on US-101 Northbound exiting at Whipple Ave (Redwood City). Off Ramp affected. Expect delays.
High Accident
US-101 N 2 days, 3 hours ago
CHP : Traffic Hazard on I-280 Southbound at Golf Course Dr (Unincorporated). Lane affected. Expect delays.
Moderate Accident
I-280 S 2 days, 3 hours ago
CHP : Traffic Collision on I-280 Southbound south of Bunker Hill Dr (San Mateo). Right shoulder affected. Expect delays.
Moderate Accident
I-280 S 2 days, 9 hours ago
CHP : Traffic Collision on US-101 Northbound south of Redwood Shores Pky (San Carlos). Lane affected. Expect delays.
Moderate Accident
US-101 N 2 days, 10 hours ago
CHP : Disabled vehicle on CA-92 Eastbound at San Mateo Bridge - High Rise (Foster City). Lane blocked. Expect delays.
High Accident
CA-92 E 2 days, 12 hours ago
CHP : Traffic Hazard on CA-84 Eastbound east of University Ave (Menlo Park). On Ramp affected. Expect delays.
Accident
CA-84 E 2 days, 13 hours ago
CHP : Traffic Collision on US-101 Northbound south of Airport Exit (Millbrae). Right shoulder affected. Expect delays.
Moderate Accident
US-101 N 2 days, 14 hours ago
CHP : Brush fire on US-101 Southbound south of Airport Exit (Millbrae). Left shoulder affected. Expect delays.
Moderate Accident
US-101 S 2 days, 15 hours ago
CHP : Traffic Collision on CA-1 Northbound north of Linda Mar Blvd (Pacifica). Lane affected. Expect delays.
Moderate Accident
CA-1 N 2 days, 19 hours ago
CHP : Disabled vehicle on CA-1 Northbound north of Linda Mar Blvd (Pacifica). Left lane blocked. Expect delays.
Moderate Accident
CA-1 N 2 days, 19 hours ago
CHP : Traffic Collision on US-101 Northbound south of San Bruno Ave E (San Bruno). Lane blocked. Expect delays.
Moderate Accident
US-101 N 2 days, 19 hours ago
CHP : Disabled vehicle on US-101 Northbound at Beatty Rd (Brisbane). Lane affected. Expect delays.
Moderate Accident
US-101 N 2 days, 20 hours ago
Caltrans : Roadwork on US-101 Southbound between CA-92 E (San Mateo) and E Hillsdale Blvd (San Mateo). Various lanes closed until 10 AM. From 8:00 PM Friday, April 03, 2026 to 10:00 AM Saturday, April 04, 2026.
Construction
US-101 S 3 days, 5 hours ago
🛣 Top Roads in San Mateo
US-101 N/B 407 US-101 S/B 248 SR-92 E/B 106 SR-92 W/B 103 S EL CAMINO REAL 57 S NORFOLK ST 21 S DELAWARE ST 18 E HILLSDALE BL 17
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