CA · Highway

I-680 S Accidents & Crashes

I-680 S has recorded 1,361 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 13 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.

Breakdown by type: 44 accident, 10 construction.

54
Total Crashes
Filtered results
0
Fatalities
Fatal injury reports
5
Today
Reported since midnight

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

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Crash Records

I-680 S Incidents 54 results

44 accident 10 construction
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.
Construction
Contra Costa 1 hour, 48 minutes 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.
Construction
Contra Costa 1 hour, 48 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 Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.
Construction
Contra Costa 1 hour, 48 minutes 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.
Construction
Contra Costa 4 hours, 33 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). Left lane affected. Expect delays.
Moderate Accident
Contra Costa 12 hours, 18 minutes 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.
Construction
Contra Costa 13 hours, 33 minutes ago
CHP : Pothole on I-680 Southbound at Vallecitos Rd (Sunol). Right lane affected. Expect delays.
Moderate Accident
Alameda 15 hours, 18 minutes 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 15 hours, 33 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of I-580 W (Pleasanton). Lane affected. Expect delays.
Moderate Accident
Alameda 16 hours, 18 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of W El Pintado (Danville). Lanes blocked. Expect delays.
Moderate Accident
Contra Costa 16 hours, 33 minutes ago
CHP : Traffic Collision with Injuries on I-680 Southbound ramp to I-580 E (Pleasanton). Connector ramp blocked. Expect delays.
High Accident
Alameda 21 hours, 3 minutes ago
CHP : Severe traffic alert and Traffic Collision on I-680 Southbound ramp to Via San Gabriel (Fremont). All lanes blocked. Avoid the area.
Accident
Alameda 21 hours, 33 minutes ago
CHP : Residual delays on I-680 Southbound south of Castlewood Dr (Pleasanton). Right shoulder affected. Expect delays.
Moderate Accident
Alameda 23 hours, 33 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of Marshview Rd (Fairfield). Left lane blocked. Expect delays.
Moderate Accident
Solano 1 day ago
CHP : Residual delays on I-680 Southbound east of Vallecitos Rd (Sunol). Center Divider affected. Expect delays.
Low Accident
Alameda 1 day, 12 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound at Mckee Rd (San Jose). Lane affected. Expect delays.
Moderate Accident
Santa Clara 1 day, 12 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Mckee Rd (San Jose). Right shoulder affected. Expect delays.
Moderate Accident
Santa Clara 1 day, 13 hours ago
CHP : Traffic Hazard on I-680 Southbound entering at Alcosta Blvd (San Ramon). Left lanes affected. Expect delays.
Moderate Accident
Contra Costa 1 day, 17 hours ago
CHP : Traffic Hazard on I-680 Southbound south of Scott Creek Rd (Fremont). Left shoulder affected. Expect delays.
Moderate Accident
Alameda 1 day, 18 hours ago
CHP : Disabled vehicle on I-680 Southbound south of E Capitol Expy (San Jose). Lane affected. Expect delays.
Moderate Accident
Santa Clara 1 day, 19 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound south of Berryessa Rd (San Jose). Right and center lanes blocked. Expect delays.
Moderate Accident
Santa Clara 1 day, 20 hours ago
CHP : Disabled vehicle on I-680 Southbound north of E Capitol Expy (San Jose). Lane blocked. Expect delays.
Moderate Accident
Santa Clara 1 day, 21 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound south of Bollinger Canyon Rd (San Ramon). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 2 days, 9 hours ago
CHP : Disabled vehicle on I-680 Southbound north of Mckee Rd (San Jose). Center Divider affected. Expect delays.
Low Accident
Santa Clara 2 days, 11 hours ago
CHP : Disabled vehicle on I-680 Southbound north of CA-84 W (Sunol). Center Divider affected. Expect delays.
Low Accident
Alameda 2 days, 11 hours ago
CHP : Residual delays on I-680 Southbound north of Alcosta Blvd (San Ramon). Right shoulder 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). Right lanes blocked. Expect delays.
Moderate Accident
Contra Costa 2 days, 13 hours ago
Caltrans : Roadwork on I-680 Southbound between Alcosta Blvd (San Ramon) and Stoneridge Dr (Pleasanton). Lane closed until 7 AM. From 1:00 AM Saturday, October 24, 2026 to 7:00 AM Saturday, October 24, 2026.
Construction
Contra Costa 2 days, 23 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound south of E Capitol Expy (San Jose). On Ramp affected. Expect delays.
High Accident
Santa Clara 3 days, 4 hours ago
CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 12 hours ago
CHP : Vehicle fire on I-680 Southbound north of Washington Blvd (Fremont). Lane affected. Expect delays.
Moderate Accident
Alameda 3 days, 13 hours ago
CHP : Disabled vehicle on I-680 Southbound south of Vargas Rd (Fremont). Lane affected. Expect delays.
Moderate Accident
Alameda 3 days, 13 hours ago
CHP : Traffic Collision on I-680 Southbound south of N Main St (Walnut Creek). On Ramp blocked. Expect delays.
High Accident
Contra Costa 3 days, 14 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Mckee Rd (San Jose). Right lane affected. Expect delays.
Moderate Accident
Santa Clara 3 days, 22 hours ago
Caltrans : Roadwork on I-680 Southbound exiting at Stoneridge Dr (Pleasanton). Off Ramp closed until 6 AM. From 9:00 PM Thursday, October 22, 2026 to 6:00 AM Friday, October 23, 2026.
Construction
Alameda 4 days, 8 hours ago
CHP : Fire on I-680 Southbound at Mckee Rd (San Jose). Right shoulder affected. Expect delays.
Moderate Accident
Santa Clara 4 days, 11 hours ago
CHP : Residual delays on I-680 Southbound south of Berryessa Rd (San Jose). Right shoulder affected. Expect delays.
Moderate Accident
Santa Clara 4 days, 12 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound north of Marina Vista Ave (Martinez). Lane blocked. Expect delays.
Moderate Accident
Solano 4 days, 12 hours ago
CHP : Traffic Hazard on I-680 Southbound ramp to CA-24 W (Walnut Creek). On Ramp affected. Expect delays.
High Accident
Contra Costa 4 days, 12 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Jacklin Rd (Milpitas). Left lane affected. Expect delays.
Moderate Accident
Santa Clara 4 days, 13 hours ago
CHP : Traffic Hazard on I-680 Southbound entering at Diablo Rd (Danville). On Ramp blocked. Expect delays.
High Accident
Contra Costa 4 days, 15 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 20, 2026 to 5:00 AM Wednesday, October 21, 2026.
Construction
Contra Costa 6 days, 1 hour 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 Tuesday, October 20, 2026 to 5:00 AM Wednesday, October 21, 2026.
Construction
Contra Costa 6 days, 1 hour ago
CHP : Traffic Collision with Injuries on I-680 Southbound north of S Main St (Walnut Creek). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 6 days, 3 hours ago
CHP : Traffic Collision on I-680 Southbound north of Gold Hill Rd (Fairfield). Center Divider affected. Expect delays.
Low Accident
Solano 6 days, 9 hours ago
CHP : Traffic Hazard on I-680 Southbound ramp to I-580 E (Pleasanton). Connector ramp affected. Expect delays.
High Accident
Alameda 6 days, 10 hours ago
CHP : Traffic Collision on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp affected. Expect delays.
High Accident
Contra Costa 6 days, 10 hours ago
CHP : Disabled vehicle and Traffic Hazard on I-680 Southbound north of Chilpancingo Pky (Pleasant Hill). Lanes blocked. Expect delays.
Moderate Accident
Contra Costa 6 days, 11 hours ago
Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Tuesday, October 20, 2026 to 6:00 PM Tuesday, October 20, 2026.
Construction
Contra Costa 6 days, 12 hours ago
CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). Right lane affected. Expect delays.
Moderate Accident
Contra Costa 6 days, 13 hours ago