CA · Highway

I-280 S Accidents & Crashes

I-280 S has recorded 1,292 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 2 new crashes were reported. The highest crash volumes are concentrated near Santa Clara and San Mateo.

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: 463 accident, 62 construction.

525

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

2

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on I-280 S. Click a marker to view details.

Crash Records

I-280 S Incidents 525 results

463 accident 62 construction

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

Moderate Accident

San Francisco 27 minutes ago

CHP : Traffic Hazard on I-280 Southbound south of San Bruno Ave W (San Bruno). Lane affected. Expect delays.

Moderate Accident

San Mateo 12 hours, 12 minutes ago

CHP : Fire on I-280 Southbound north of Sand Hill Rd (Menlo Park). Lane affected. Expect delays.

Moderate Accident

San Mateo 23 hours, 57 minutes ago

CHP : Fire on I-280 Southbound exiting at Serramonte Blvd (Daly City). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 1 hour ago

CHP : Traffic Collision on I-280 Southbound north of CA-84 W (Woodside). Right lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 2 hours ago

CHP : Disabled vehicle on I-280 Southbound north of Serramonte Blvd (Daly City). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 9 hours ago

CHP : Disabled vehicle on I-280 Southbound north of Meridian Ave (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 14 hours ago

CHP : Brush fire on I-280 Southbound north of US-101 S (san Jose) (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 20 hours ago

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

Moderate Accident

San Mateo 1 day, 23 hours ago

CHP : Disabled vehicle on I-280 Southbound west of N Wolfe Rd (Cupertino). Left lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days ago

CHP : Traffic Collision on I-280 Southbound ramp to US-101 S (san Francisco) (San Francisco). On Ramp blocked. Expect delays.

San Francisco 2 days, 1 hour ago

CHP : Traffic Collision on I-280 Southbound at Saratoga Ave (San Jose). Off Ramp closed. Expect delays.

Santa Clara 2 days, 1 hour ago

CHP : Traffic Collision on I-280 Southbound north of Monterey Blvd (San Francisco). Left lane open. Expect delays.

San Francisco 2 days, 4 hours ago

CHP : Traffic Collision with Injuries on I-280 Southbound north of Monterey Blvd (San Francisco). Off Ramp affected. Expect delays.

San Francisco 2 days, 5 hours ago

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

Moderate Accident

San Mateo 2 days, 9 hours ago

CHP : Disabled vehicle on I-280 Southbound south of Mariposa St (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 2 days, 10 hours ago

CHP : Traffic Collision on I-280 Southbound south of Saratoga Ave (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 10 hours ago

CHP : Traffic Collision on I-280 Southbound north of N De Anza Blvd (Cupertino). Left lane open. Expect delays.

Santa Clara 2 days, 10 hours ago

CHP : Vehicle fire on I-280 Southbound south of Cesar Chavez St (San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Francisco 2 days, 11 hours ago

CHP : Traffic Collision on I-280 Southbound north of US-101 N (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 2 days, 12 hours ago

CHP : Disabled vehicle on I-280 Southbound exiting at Sand Hill Rd (Menlo Park). Off Ramp blocked. Expect delays.

San Mateo 2 days, 14 hours ago

CHP : Traffic Hazard on I-280 Southbound north of El Monte Rd (Los Altos Hills). Left lane blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 15 hours ago

CHP : Traffic Collision on I-280 Southbound at Alemany Blvd (San Francisco). Off Ramp blocked. Expect delays.

San Francisco 2 days, 15 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Trousdale Dr (Burlingame). Lanes affected. Expect delays.

Moderate Accident

San Mateo 2 days, 17 hours ago

CHP : Traffic Collision and Traffic Hazard on I-280 Southbound west of Sand Hill Rd (Menlo Park). 3rd lane from the left blocked. Expect delays.

Moderate Accident

San Mateo 2 days, 17 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Alemany Blvd (San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Francisco 2 days, 20 hours ago

CHP : Traffic Hazard on I-280 Southbound at Monterey Blvd (San Francisco). 3rd lane from the left affected. Expect delays.

Moderate Accident

San Francisco 2 days, 20 hours ago

CHP : Traffic Collision on I-280 Southbound at Sand Hill Rd (Menlo Park). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 2 days, 21 hours ago

CHP : Traffic Hazard on I-280 Southbound north of I-280 N-king ST-6TH ST Ramp Merge (San Francisco). Left lanes affected. Expect delays.

Moderate Accident

San Francisco 2 days, 22 hours ago

CHP : Residual delays on I-280 Southbound north of Edgewood Rd (Unincorporated). All lanes open. Expect delays.

San Mateo 2 days, 23 hours ago

CHP : Traffic Collision on I-280 Southbound south of Magdalena Ave (Los Altos). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 6 hours ago

CHP : Vehicle fire on I-280 Southbound at I-280 N-king ST-6TH ST Ramp Merge (San Francisco). Lane open. Expect delays.

San Francisco 3 days, 7 hours ago

CHP : Disabled vehicle on I-280 Southbound ramp to US-101 S (san Francisco) (San Francisco). Right lane blocked. Expect delays.

Moderate Accident

San Francisco 3 days, 12 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Bunker Hill Dr (San Mateo). Right lanes affected. Expect delays.

Moderate Accident

San Mateo 3 days, 17 hours ago

CHP : Traffic Hazard on I-280 Southbound exiting at N De Anza Blvd (Cupertino). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 3 days, 23 hours ago

Caltrans : Roadwork on I-280 Southbound between SouthWest Expy (San Jose) and Bird Ave (San Jose). Various lanes closed until 6 AM. From 9:00 PM Thursday, October 29, 2026 to 6:00 AM Friday, October 30, 2026.

Santa Clara 4 days, 6 hours ago

Caltrans : Roadwork on I-280 Southbound exiting at Bird Ave (San Jose). Off Ramp closed until 6 AM. From 8:00 PM Thursday, October 29, 2026 to 6:00 AM Friday, October 30, 2026.

Santa Clara 4 days, 6 hours ago

Caltrans : Roadwork on I-280 Southbound between Geneva Ave (San Francisco) and John Daly Blvd (Daly City). Various lanes closed until 6 AM. From 8:00 PM Thursday, October 29, 2026 to 6:00 AM Friday, October 30, 2026.

San Francisco 4 days, 6 hours ago

CHP : Traffic Hazard on I-280 Southbound at Alpine Rd (Menlo Park). Lane affected. Expect delays.

Moderate Accident

San Mateo 4 days, 8 hours ago

CHP : Traffic Hazard on I-280 Southbound at Alemany Blvd (San Francisco). Off Ramp affected. Expect delays.

San Francisco 4 days, 11 hours ago

CHP : Traffic Collision on I-280 Southbound south of CA-82 (San Jose). Center lane blocked. Expect delays.

Moderate Accident

Santa Clara 5 days, 13 hours ago

CHP : Traffic Hazard on I-280 Southbound north of S Bascom Ave (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 5 days, 21 hours ago

CHP : Vehicle fire on I-280 Southbound north of Edgewood Rd (Unincorporated). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 5 days, 21 hours ago

CHP : Traffic Hazard on I-280 Southbound south of Guadalupe Pky (San Jose). Right lane affected. Expect delays.

Moderate Accident

Santa Clara 6 days, 3 hours ago

CHP : Disabled vehicle on I-280 Southbound north of Bird Ave (San Jose). Right and center lanes blocked. Expect delays.

Moderate Accident

Santa Clara 6 days, 14 hours ago

CHP : Traffic Collision with Injuries on I-280 Southbound north of S 7TH St (San Jose). Right lanes blocked. Expect delays.

Moderate Accident

Santa Clara 1 week ago

CHP : Traffic Hazard on I-280 Southbound north of Bunker Hill Dr (San Mateo). Left lane affected. Expect delays.

Moderate Accident

San Mateo 1 week ago

Caltrans : Roadwork on I-280 Southbound at Crystal Springs Rd (San Bruno). Lane closed until 3 PM. From 9:00 AM Monday, October 26, 2026 to 3:00 PM Monday, October 26, 2026.

San Mateo 1 week ago

Caltrans : Roadwork on I-280 Southbound between Magdalena Ave (Los Altos) and Foothill Expy (Los Altos). Lane closed until 4 PM. From 9:15 AM Monday, October 26, 2026 to 4:15 PM Monday, October 26, 2026.

Santa Clara 1 week ago

Caltrans : Roadwork on I-280 Southbound at El Monte Rd (Los Altos Hills). Lane closed until 4 PM. From 9:15 AM Monday, October 26, 2026 to 4:15 PM Monday, October 26, 2026.

Santa Clara 1 week ago