CA · Highway

I-280 S Accidents & Crashes

I-280 S has recorded 113 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 4 new crashes were reported. The highest crash volumes are concentrated near San Mateo and Santa Clara.

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 April 22, 2026.

Breakdown by type: 101 accident, 6 construction.

107

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

4

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 107 results

101 accident 6 construction

CHP : Traffic Hazard on I-280 Southbound south of Washington St (Daly City). Off Ramp blocked. Expect delays.

San Mateo 1 hour, 37 minutes ago

CHP : Traffic Hazard on I-280 Southbound north of CA-92 E (San Mateo). Lane affected. Expect delays.

Moderate Accident

San Mateo 3 hours, 22 minutes ago

CHP : Fire on I-280 Southbound west of N Wolfe Rd (Cupertino). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 14 hours, 37 minutes ago

CHP : Traffic Collision on I-280 Southbound south of S 11TH St (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 16 hours, 22 minutes ago

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

Moderate Accident

San Mateo 1 day, 2 hours ago

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

Moderate Accident

San Francisco 1 day, 2 hours ago

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 13 hours ago

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of Bunker Hill Dr (San Mateo). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 15 hours ago

CHP : Traffic Collision on I-280 Southbound north of CA-92 E (San Mateo). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 16 hours ago

CHP : Traffic Collision on I-280 Southbound south of Bunker Hill Dr (San Mateo). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 17 hours ago

CHP : Traffic Collision with Injuries on I-280 Southbound north of Lawrence Expy (San Jose). Left lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 17 hours ago

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound entering at Edgewood Rd (Unincorporated). On Ramp blocked. Expect delays.

San Mateo 1 day, 19 hours ago

CHP : Residual delays on I-280 Southbound at Stevens Creek Blvd (San Jose). Left shoulder affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 20 hours ago

CHP : Vehicle fire on I-280 Southbound south of CA-92 E (San Mateo). Lane blocked. Expect delays.

Moderate Accident

San Mateo 2 days, 1 hour ago

CHP : Traffic Collision with Injuries on I-280 Southbound at Sneath Ln (San Bruno). Lanes open. Expect delays.

San Mateo 2 days, 9 hours ago

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

San Mateo 2 days, 12 hours ago

CHP : Disabled vehicle on I-280 Southbound north of N De Anza Blvd (Cupertino). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 17 hours ago

CHP : Disabled vehicle on I-280 Southbound south of CA-85 S (Sunnyvale). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 17 hours ago

CHP : Disabled vehicle on I-280 Southbound north of Mariposa St (San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Francisco 2 days, 17 hours ago

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

Moderate Accident

Santa Clara 2 days, 21 hours ago

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

Moderate Accident

San Mateo 2 days, 23 hours ago

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

Moderate Accident

San Francisco 3 days ago

CHP : Traffic Hazard on I-280 Southbound south of Page Mill Rd (Los Altos Hills). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 1 hour ago

CHP : Traffic Collision on I-280 Southbound south of Ocean Ave (San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Francisco 3 days, 9 hours ago

CHP : Disabled vehicle on I-280 Southbound at Guadalupe Pky (San Jose). Lanes blocked. Expect delays.

Moderate Accident

Santa Clara 3 days, 11 hours ago

CHP : Traffic Collision on I-280 Southbound ramp to US-101 S (san Jose) (San Jose). Connector ramp affected. Expect delays.

Santa Clara 3 days, 17 hours ago

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

Moderate Accident

San Mateo 3 days, 21 hours ago

CHP : Residual delays on I-280 Southbound north of Foothill Expy (Los Altos). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 4 days, 17 hours ago

Caltrans : Roadwork on I-280 Southbound exiting at Crystal Springs Rd (San Bruno). Off Ramp closed until 3-30 PM. From 9:00 AM Friday, April 17, 2026 to 3:30 PM Friday, April 17, 2026.

San Mateo 4 days, 19 hours ago

CHP : Traffic Hazard on I-280 Southbound at CA-92 E (San Mateo). Right lane affected. Expect delays.

Moderate Accident

San Mateo 5 days, 1 hour ago

CHP : Traffic Hazard on I-280 Southbound ramp to CA-85 S (Sunnyvale). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 5 days, 2 hours ago

CHP : Traffic Hazard on I-280 Southbound north of S 10TH St (San Jose). 2nd lane from the left affected. Expect delays.

Moderate Accident

Santa Clara 5 days, 2 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Brotherhood Way (San Francisco). 3rd lane from the left affected. Expect delays.

Moderate Accident

San Francisco 5 days, 4 hours ago

Caltrans : Roadwork on I-280 Southbound entering at N Wolfe Rd (Cupertino). On Ramp closed until 5 AM. From 8:00 PM Thursday, April 16, 2026 to 5:00 AM Friday, April 17, 2026.

Santa Clara 5 days, 6 hours ago

Caltrans : Roadwork on I-280 Southbound between N De Anza Blvd (Cupertino) and N Wolfe Rd (Cupertino). Lane closed until 5 AM. From 8:00 PM Thursday, April 16, 2026 to 5:00 AM Friday, April 17, 2026.

Santa Clara 5 days, 6 hours ago

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

Moderate Accident

Santa Clara 5 days, 16 hours ago

CHP : Traffic Hazard on I-280 Southbound north of CA-84 W (Woodside). 3rd lane from the left blocked. Expect delays.

Moderate Accident

San Mateo 5 days, 17 hours ago

CHP : Traffic Collision on I-280 Southbound north of Saratoga Ave (San Jose). Right and center lanes blocked. Expect delays.

Moderate Accident

Santa Clara 5 days, 17 hours ago

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

Moderate Accident

Santa Clara 6 days, 3 hours ago

Caltrans : Roadwork on I-280 Southbound between N De Anza Blvd (Cupertino) and N Wolfe Rd (Cupertino). Lane closed until 5 AM. From 8:00 PM Wednesday, April 15, 2026 to 5:00 AM Thursday, April 16, 2026.

Santa Clara 6 days, 6 hours ago

CHP : Vehicle fire and Traffic Collision on I-280 Southbound exiting at Meridian Ave (San Jose). Off Ramp blocked. Expect delays.

Santa Clara 6 days, 15 hours ago

CHP : Traffic Hazard on I-280 Southbound exiting at Lawrence Expy (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 6 days, 16 hours ago

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

Moderate Accident

Santa Clara 1 week ago

CHP : Traffic Collision with Injuries on I-280 Southbound ramp to CA-17 N (San Jose). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 week ago

Caltrans : Roadwork on I-280 Southbound exiting at Crystal Springs Rd (San Bruno). Off Ramp closed until 3-30 PM. From 9:00 AM Tuesday, April 14, 2026 to 3:30 PM Tuesday, April 14, 2026.

San Mateo 1 week ago

CHP : Traffic Hazard on I-280 Southbound south of Sneath Ln (San Bruno). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

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

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Severe traffic alert and Traffic Collision on I-280 Southbound at N De Anza Blvd (Cupertino). Right lanes blocked. Expect delays.

Santa Clara 1 week, 1 day ago

CHP : Flooding on I-280 Southbound at Serramonte Blvd (Daly City). Lanes affected. Expect delays.

Moderate Accident

San Mateo 1 week, 2 days ago

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays.

Moderate Accident

San Francisco 1 week, 2 days ago