CA · Highway

I-680 S Accidents & Crashes

I-680 S has recorded 1,434 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 7 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 Nov. 2, 2026.

Breakdown by type: 54 accident, 22 construction.

76

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

5

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 76 results

54 accident 22 construction

Caltrans : Roadwork on I-680 Southbound exiting at Alcosta Blvd (San Ramon). Off Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

Contra Costa 3 hours, 9 minutes ago

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

Contra Costa 3 hours, 9 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Diablo Rd (Danville). On Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

Contra Costa 3 hours, 9 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Monday, November 02, 2026 to 4:00 AM Tuesday, November 03, 2026.

Contra Costa 3 hours, 9 minutes ago

CHP : Traffic Collision with Injuries on I-680 Southbound south of Mckee Rd (San Jose). Right lanes blocked. Expect delays.

Moderate Accident

Santa Clara 6 hours, 24 minutes ago

CHP : Disabled vehicle on I-680 Southbound exiting at S Main St (Walnut Creek). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 9 hours, 39 minutes ago

CHP : Traffic Collision with Injuries on I-680 Southbound north of W El Pintado (Danville). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Contra Costa 18 hours, 9 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). 2nd lane from the left affected. Expect delays.

Moderate Accident

Contra Costa 1 day ago

CHP : Traffic Hazard on I-680 Southbound at Stoneridge Dr (Pleasanton). Right lane affected. Expect delays.

Moderate Accident

Alameda 1 day, 5 hours ago

CHP : Disabled vehicle on I-680 Southbound south of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 1 day, 8 hours ago

CHP : Traffic Collision on I-680 Southbound ramp to CA-4 E (Martinez). Lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 11 hours ago

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

Moderate Accident

Santa Clara 1 day, 15 hours ago

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

Moderate Accident

Alameda 1 day, 15 hours ago

CHP : Traffic Collision on I-680 Southbound north of Rudgear Rd (Walnut Creek). Lanes blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 18 hours ago

CHP : Traffic Hazard on I-680 Southbound north of CA-24 E-I-680 S Ramp (Walnut Creek). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 6 hours ago

CHP : Disabled vehicle on I-680 Southbound ramp to CA-24 W (Walnut Creek). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 8 hours ago

CHP : Traffic Hazard on I-680 Southbound south of S Main St (Walnut Creek). Center lane affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 12 hours ago

CHP : Traffic Hazard on I-680 Southbound ramp to CA-24 W (Walnut Creek). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 12 hours ago

CHP : Disabled vehicle on I-680 Southbound north of Andrade Rd (Unincorporated). Lane affected. Expect delays.

Moderate Accident

Alameda 2 days, 14 hours ago

CHP : Traffic Hazard on I-680 Southbound north of CA-24 E-I-680 S Ramp (Walnut Creek). Lanes blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 14 hours ago

CHP : Severe traffic alert and Traffic Collision on I-680 Southbound at Benicia Bridge (Benicia). Left and center lanes blocked. Expect delays.

Solano 2 days, 17 hours ago

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 8 AM. From 8:00 PM Friday, October 30, 2026 to 8:00 AM Saturday, October 31, 2026.

Contra Costa 2 days, 18 hours ago

CHP : Traffic Collision on I-680 Southbound north of Marina Vista Ave (Martinez). 2nd lane from the left affected. Expect delays.

Moderate Accident

Solano 2 days, 18 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 Friday, October 30, 2026 to 5:00 AM Saturday, October 31, 2026.

Contra Costa 2 days, 21 hours ago

CHP : Traffic Collision on I-680 Southbound east of Vallecitos Rd (Sunol). Right shoulder affected. Expect delays.

Moderate Accident

Alameda 3 days, 1 hour ago

CHP : Disabled vehicle on I-680 Southbound north of Arthur Rd (Martinez). Left lane affected. Expect delays.

Moderate Accident

Contra Costa 3 days, 1 hour ago

CHP : Traffic Collision on I-680 Southbound exiting at E Capitol Expy (San Jose). Lane affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 15 hours ago

CHP : Fire on I-680 Southbound north of Mckee Rd (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 3 days, 16 hours ago

CHP : Traffic Hazard on I-680 Southbound north of I-580 E (Pleasanton). Lanes affected. Expect delays.

Moderate Accident

Alameda 3 days, 17 hours ago

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

Moderate Accident

Contra Costa 3 days, 17 hours ago

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

Santa Clara 3 days, 23 hours 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 4 days, 1 hour 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 4 days, 1 hour 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 4 days, 3 hours 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 4 days, 3 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 Thursday, October 29, 2026 to 5:00 AM Friday, October 30, 2026.

Contra Costa 4 days, 3 hours ago

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

Moderate Accident

Alameda 4 days, 7 hours ago

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

Moderate Accident

Santa Clara 4 days, 7 hours 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 4 days, 17 hours ago

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

Moderate Accident

Alameda 4 days, 18 hours 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 4 days, 18 hours 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 4 days, 19 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 Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Contra Costa 4 days, 21 hours 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 4 days, 21 hours ago

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

Moderate Accident

Santa Clara 5 days, 7 hours ago

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

Moderate Accident

Contra Costa 5 days, 9 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 5 days, 12 hours ago

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

Moderate Accident

Contra Costa 5 days, 12 hours ago

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

Moderate Accident

Contra Costa 5 days, 13 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 5 days, 13 hours ago