CA · Highway

I-680 S Accidents & Crashes

I-680 S has recorded 1,403 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 12 new crashes were reported. The highest crash volumes are concentrated near Contra Costa and Alameda.

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 Oct. 30, 2026.

Breakdown by type: 1,052 accident, 285 construction.

1,337

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

8

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on I-680 S. Click a marker to view details.

Crash Records

I-680 S Incidents 1,337 results

1052 accident 285 construction

CHP : Fire on I-680 Southbound at E Capitol Expy (San Jose). Off Ramp affected. Expect delays.

Santa Clara 2 hours, 22 minutes ago

Caltrans : Roadwork on I-680 Southbound between Castlewood Dr (Pleasanton) and CA-84 W (Sunol). Left lane and shoulder closed until 4 AM. From 8:00 PM Thursday, October 29, 2026 to 4:00 AM Friday, October 30, 2026.

Alameda 3 hours, 52 minutes ago

Caltrans : Roadwork on I-680 Southbound between Bernal Ave (Pleasanton) and Castlewood Dr (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Thursday, October 29, 2026 to 4:00 AM Friday, October 30, 2026.

Alameda 3 hours, 52 minutes ago

Caltrans : Roadwork on I-680 Southbound between Monument Blvd (Pleasant Hill) and Boyd Rd (Pleasant Hill). Various lanes closed until 4-30 AM. From 9:00 PM Thursday, October 29, 2026 to 4:30 AM Friday, October 30, 2026.

Contra Costa 6 hours, 22 minutes ago

Caltrans : Roadwork on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 9:00 PM Thursday, October 29, 2026 to 5:00 AM Friday, October 30, 2026.

Contra Costa 6 hours, 22 minutes ago

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Thursday, October 29, 2026 to 5:00 AM Friday, October 30, 2026.

Contra Costa 6 hours, 22 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of Jacklin Rd (Milpitas). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 9 hours, 37 minutes ago

CHP : Traffic Collision on I-680 Southbound at Andrade Rd (Unincorporated). Lane affected. Expect delays.

Moderate Accident

Alameda 9 hours, 37 minutes ago

CHP : Traffic Collision with Injuries on I-680 Southbound north of Washington Blvd (Fremont). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Alameda 19 hours, 37 minutes ago

CHP : Traffic Hazard on I-680 Southbound at CA-84 E (Sunol). Lane blocked. Expect delays.

Moderate Accident

Alameda 21 hours, 22 minutes ago

CHP : Traffic Collision with Injuries on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lanes blocked. Expect delays.

Moderate Accident

Contra Costa 21 hours, 22 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of I-580 W (Pleasanton). 3rd lane from the left affected. Expect delays.

Moderate Accident

Alameda 21 hours, 52 minutes ago

Caltrans : Roadwork on I-680 Southbound between Diablo Rd (Danville) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Contra Costa 23 hours, 37 minutes ago

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Contra Costa 23 hours, 37 minutes ago

CHP : Disabled vehicle on I-680 Southbound at Montague Expy (Milpitas). 3rd lane from the left blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 9 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Sycamore Valley Rd (Danville). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 11 hours ago

CHP : Traffic Collision on I-680 Southbound exiting at Livorna Rd (Alamo). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 day, 14 hours ago

CHP : Severe traffic alert and Traffic Collision with Injuries and Overturned vehicle on I-680 Southbound north of Arthur Rd (Martinez). Right lanes blocked. Expect delays.

Contra Costa 1 day, 14 hours ago

CHP : Traffic Collision on I-680 Southbound south of Livorna Rd (Alamo). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 15 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 15 hours ago

Caltrans : Roadwork on I-680 Southbound between Marina Vista Ave (Martinez) and Arthur Rd (Martinez). Lane closed until 3-30 PM. From 11:00 AM Wednesday, October 28, 2026 to 3:30 PM Wednesday, October 28, 2026.

Solano 1 day, 17 hours ago

CHP : Traffic Hazard on I-680 Southbound ramp to I-580 E (Pleasanton). Right lane blocked. Expect delays.

Moderate Accident

Alameda 1 day, 17 hours ago

CHP : Traffic Hazard on I-680 Southbound entering at Willow Pass Rd (Concord). On Ramp affected. Expect delays.

Contra Costa 1 day, 19 hours ago

CHP : Fire on I-680 Southbound north of Willow Pass Rd (Concord). On Ramp affected. Expect delays.

Contra Costa 1 day, 19 hours ago

CHP : Disabled vehicle on I-680 Southbound north of Olympic Blvd (Walnut Creek). Center lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 20 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Oak Park Blvd (Pleasant Hill). Left shoulder affected. Expect delays.

Moderate Accident

Contra Costa 1 day, 21 hours ago

CHP : Traffic Collision with Injuries on I-680 Southbound north of E Capitol Expy (San Jose). Right and center lanes blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 22 hours ago

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026.

Contra Costa 1 day, 23 hours ago

Caltrans : Roadwork on I-680 Southbound exiting at Crow Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 9:00 PM Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026.

Contra Costa 2 days, 2 hours ago

Caltrans : Roadwork on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Tuesday, October 27, 2026 to 4:00 AM Wednesday, October 28, 2026.

Contra Costa 2 days, 2 hours ago

Caltrans : Roadwork on I-680 Southbound between Stone Valley Rd (Alamo) and El Cerro Blvd (Danville). Various lanes closed until 5 AM. From 8:00 PM Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026.

Contra Costa 2 days, 2 hours ago

CHP : Traffic Collision on I-680 Southbound at Rudgear Rd (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 6 hours ago

CHP : Traffic Collision on I-680 Southbound south of CA-237 E (Milpitas). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 10 hours ago

CHP : Traffic Hazard on I-680 Southbound exiting at Chilpancingo Pky (Pleasant Hill). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 11 hours ago

CHP : Traffic Hazard on I-680 Southbound south of Livorna Rd (Alamo). 3rd lane from the left affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 12 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Center lanes blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 14 hours ago

CHP : Traffic Hazard on I-680 Southbound entering at Willow Pass Rd (Concord). On Ramp blocked. Expect delays.

Contra Costa 2 days, 14 hours ago

CHP : Residual delays on I-680 Southbound north of Washington Blvd (Fremont). Right shoulder affected. Expect delays.

Moderate Accident

Alameda 2 days, 16 hours ago

CHP : Traffic Collision on I-680 Southbound north of Alcosta Blvd (San Ramon). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 19 hours ago

CHP : Residual delays on I-680 Southbound entering at Monument Blvd (Pleasant Hill). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 20 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Willow Pass Rd (Concord). 2nd lane from the left affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 21 hours ago

CHP : Residual delays on I-680 Southbound north of Willow Pass Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 21 hours ago

Caltrans : Roadwork on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Contra Costa 2 days, 23 hours ago

Caltrans : Roadwork on I-680 Southbound between Bollinger Canyon Rd (San Ramon) and Alcosta Blvd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Contra Costa 2 days, 23 hours ago

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Contra Costa 2 days, 23 hours ago

Caltrans : Roadwork on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026.

Contra Costa 3 days, 2 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). Left lane affected. Expect delays.

Moderate Accident

Contra Costa 3 days, 10 hours ago

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Monday, October 26, 2026 to 6:00 PM Monday, October 26, 2026.

Contra Costa 3 days, 11 hours ago

CHP : Pothole on I-680 Southbound at Vallecitos Rd (Sunol). Right lane affected. Expect delays.

Moderate Accident

Alameda 3 days, 13 hours ago

CHP : Traffic Collision with Injuries on I-680 Southbound north of Willow Pass Rd (Concord). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 3 days, 13 hours ago