CA · Highway

I-280 S Accidents & Crashes

I-280 S has recorded 699 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 July 27, 2026.

Breakdown by type: 645 accident, 54 construction.

699

Total Crashes

All time records

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

645 accident 54 construction

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

Moderate Accident

Santa Clara 4 hours, 54 minutes ago

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

Moderate Accident

San Francisco 7 hours, 9 minutes ago

CHP : Fire on I-280 Southbound north of Washington St (Daly City). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 1 day, 6 hours ago

CHP : Disabled vehicle on I-280 Southbound south of CA-92 E (San Mateo). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 9 hours ago

CHP : Disabled vehicle on I-280 Southbound north of Ocean Ave (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 1 day, 17 hours ago

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

Moderate Accident

Santa Clara 1 day, 21 hours ago

CHP : Traffic Collision on I-280 Southbound at Westborough Blvd (South San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 1 day, 22 hours ago

CHP : Traffic Collision with Injuries on I-280 Southbound at SouthWest Expy (San Jose). Off Ramp affected. Expect delays.

Santa Clara 2 days, 1 hour ago

CHP : Traffic Hazard on I-280 Southbound north of S Winchester Blvd (San Jose). Center lanes blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 1 hour ago

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

Moderate Accident

San Mateo 2 days, 6 hours ago

CHP : Traffic Collision on I-280 Southbound north of S Winchester Blvd (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 21 hours ago

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

Moderate Accident

Santa Clara 3 days, 20 hours ago

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

Moderate Accident

Santa Clara 3 days, 20 hours ago

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

Moderate Accident

San Mateo 3 days, 21 hours ago

CHP : Traffic Collision on I-280 Southbound north of Foothill Expy (Los Altos). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Santa Clara 3 days, 21 hours ago

CHP : Traffic Collision with Injuries on I-280 Southbound south of Page Mill Rd (Los Altos Hills). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 4 days, 20 hours ago

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

Moderate Accident

Santa Clara 4 days, 20 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Farm Hill Blvd (Woodside). Right lane affected. Expect delays.

Moderate Accident

San Mateo 5 days, 20 hours ago

CHP : Fire on I-280 Southbound exiting at S Winchester Blvd (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 5 days, 20 hours ago

CHP : Traffic Collision on I-280 Southbound exiting at S 10TH St (San Jose). Right lane and exit ramp blocked. Expect delays.

Santa Clara 5 days, 21 hours ago

CHP : Traffic Hazard on I-280 Southbound ramp to CA-92 W (San Mateo). Connector ramp affected. Expect delays.

San Mateo 6 days, 1 hour ago

CHP : Traffic Collision on I-280 Southbound at Monterey Blvd (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 6 days, 2 hours ago

CHP : Residual delays on I-280 Southbound at CA-1 S (Daly City). All lanes open. Expect delays.

San Mateo 6 days, 3 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Washington St (Daly City). 3rd lane from the left blocked. Expect delays.

Moderate Accident

San Mateo 6 days, 3 hours ago

CHP : Traffic Hazard on I-280 Southbound north of Magdalena Ave (Los Altos). Lane affected. Expect delays.

Moderate Accident

Santa Clara 6 days, 9 hours ago

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

Moderate Accident

Santa Clara 6 days, 21 hours ago

CHP : Disabled vehicle on I-280 Southbound entering at Stevens Creek Blvd (San Jose). On Ramp affected. Expect delays.

Santa Clara 1 week ago

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

Moderate Accident

San Francisco 1 week ago

CHP : Traffic Hazard on I-280 Southbound north of Golf Course Dr (Unincorporated). 2nd lane from the left blocked. Expect delays.

Moderate Accident

San Mateo 1 week ago

CHP : Traffic Hazard on I-280 Southbound at Stevens Creek Blvd (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 week ago

CHP : Traffic Hazard on I-280 Southbound at Bird Ave (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 1 week ago

CHP : Traffic Hazard on I-280 Southbound exiting at N Wolfe Rd (Cupertino). Left lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 week, 1 day ago

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

Santa Clara 1 week, 1 day ago

CHP : Traffic Collision on I-280 Southbound south of Cesar Chavez St (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 1 week, 1 day ago

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

Moderate Accident

San Francisco 1 week, 1 day ago

CHP : Traffic Collision on I-280 Southbound north of Sneath Ln (San Bruno). Lanes blocked. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Traffic Hazard on I-280 Southbound north of Page Mill Rd (Los Altos Hills). 3rd lane from the left blocked. Expect delays.

Moderate Accident

Santa Clara 1 week, 1 day ago

CHP : Traffic Hazard on I-280 Southbound north of Farm Hill Blvd (Woodside). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Fire on I-280 Southbound north of Page Mill Rd (Los Altos Hills). Lane affected. Expect delays.

Moderate Accident

Santa Clara 1 week, 1 day ago

CHP : Traffic Hazard on I-280 Southbound at Mclaughlin Ave (San Jose). On Ramp affected. Expect delays.

Santa Clara 1 week, 2 days ago

CHP : Traffic Collision with Injuries on I-280 Southbound entering at Meridian Ave (San Jose). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Santa Clara 1 week, 2 days ago

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

Moderate Accident

Santa Clara 1 week, 2 days ago

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

Moderate Accident

San Francisco 1 week, 3 days ago

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

Moderate Accident

Santa Clara 1 week, 3 days ago

CHP : Traffic Collision on I-280 Southbound at N De Anza Blvd (Cupertino). On Ramp affected. Expect delays.

Santa Clara 1 week, 3 days ago

CHP : Disabled vehicle on I-280 Southbound north of CA-82 (San Jose). Lanes blocked. Expect delays.

Moderate Accident

Santa Clara 1 week, 3 days ago

CHP : Residual delays on I-280 Southbound south of Alemany Blvd (San Francisco). Center Divider affected. Expect delays.

San Francisco 1 week, 3 days ago

CHP : Traffic Hazard on I-280 Southbound entering at Monterey Blvd (San Francisco). Left lane affected. Expect delays.

Moderate Accident

San Francisco 1 week, 3 days ago

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

Moderate Accident

San Mateo 1 week, 4 days ago

CHP : Traffic Hazard on I-280 Southbound south of Westborough Blvd (South San Francisco). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 1 week, 4 days ago