CA · Highway

I-680 S Accidents & Crashes

I-680 S has recorded 486 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 6 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: 395 accident, 91 construction.

486
Total Crashes
All time records
0
Fatalities
Fatal injury reports
0
Today
Reported since midnight

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

Crash Records

I-680 S Incidents

395 accident 91 construction
CHP : High winds on I-680 Northbound and Southbound at Benicia Bridge (Benicia). Lanes affected. Traffic advisory in effect.
High Accident
Solano 4 hours, 32 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of CA-84 E (Sunol). 2nd lane from the left affected. Expect delays.
Moderate Accident
Alameda 8 hours, 2 minutes ago
CHP : Traffic Collision on I-680 Southbound at Monument Blvd (Pleasant Hill). Lane affected. Expect delays.
Low Accident
Contra Costa 16 hours, 2 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of I-580 W (Pleasanton). 2nd lane from the left affected. Expect delays.
Moderate Accident
Alameda 16 hours, 32 minutes ago
CHP : Traffic Hazard on I-680 Southbound north of I-580 E (Pleasanton). Lane affected. Expect delays.
Moderate Accident
Alameda 16 hours, 47 minutes ago
Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 6 AM. From 9:00 PM Monday, June 08, 2026 to 6:00 AM Tuesday, June 09, 2026.
Construction
Contra Costa 18 hours, 17 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 Monday, June 08, 2026 to 5:00 AM Tuesday, June 09, 2026.
Construction
Contra Costa 20 hours, 17 minutes ago
CHP : Traffic Hazard on I-680 Southbound exiting at Montague Expy (Milpitas). Off Ramp affected. Expect delays.
High Accident
Santa Clara 1 day, 4 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Vallecitos Rd (Sunol). Lanes affected. Expect delays.
Moderate Accident
Alameda 1 day, 5 hours ago
CHP : Disabled bus on I-680 Southbound exiting at Geary Rd (Walnut Creek). Off Ramp blocked. Expect delays.
High Accident
Contra Costa 1 day, 15 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). Center lanes affected. Expect delays.
Moderate Accident
Contra Costa 1 day, 17 hours ago
CHP : Traffic Collision on I-680 Southbound north of CA-24 W (Walnut Creek). Off Ramp affected. Expect delays.
High Accident
Contra Costa 1 day, 17 hours ago
CHP : Traffic Collision with Injuries on I-680 Southbound at CA-4 E (Martinez). Center Divider affected. Expect delays.
Low Accident
Contra Costa 2 days, 3 hours ago
CHP : Traffic Collision on I-680 Southbound north of Mission Blvd (Fremont). Right lane blocked. Expect delays.
Moderate Accident
Alameda 2 days, 5 hours ago
CHP : Traffic Hazard on I-680 Southbound at CA-24 W (Walnut Creek). Lane blocked. Expect delays.
Moderate Accident
Contra Costa 2 days, 5 hours ago
CHP : Traffic Hazard on I-680 Southbound at CA-24 W (Walnut Creek). Lane affected. Expect delays.
Moderate Accident
Contra Costa 2 days, 15 hours ago
CHP : Traffic Collision on I-680 Southbound at Alum Rock Ave (San Jose). Off Ramp affected. Expect delays.
High Accident
Santa Clara 2 days, 15 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). Lane blocked. Expect delays.
Moderate Accident
Contra Costa 2 days, 15 hours ago
CHP : Traffic Hazard on I-680 Southbound south of CA-4 E (Martinez). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 2 days, 16 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Marina Vista Ave (Martinez). Left shoulder affected. Expect delays.
Moderate Accident
Solano 2 days, 16 hours ago
CHP : Disabled vehicle on I-680 Southbound west of Castlewood Dr (Pleasanton). Lane affected. Expect delays.
Moderate Accident
Alameda 3 days, 1 hour ago
CHP : Traffic Hazard on I-680 Southbound at CA-24 W (Walnut Creek). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 1 hour ago
CHP : Traffic Collision with Injuries on I-680 Southbound north of Oak Park Blvd (Pleasant Hill). Lanes open. Expect delays.
Accident
Contra Costa 3 days, 2 hours ago
CHP : Disabled vehicle on I-680 Southbound north of Geary Rd (Walnut Creek). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 5 hours ago
CHP : Vehicle fire on I-680 Southbound north of S Main St (Walnut Creek). Right lanes blocked. Expect delays.
Moderate Accident
Contra Costa 3 days, 8 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Stoneridge Dr (Pleasanton). Center lanes affected. Expect delays.
Moderate Accident
Alameda 3 days, 9 hours ago
CHP : Traffic Hazard on I-680 Southbound north of I-580 W (Pleasanton). Lane blocked. Expect delays.
Moderate Accident
Alameda 3 days, 11 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Diablo Rd (Danville). Off Ramp affected. Expect delays.
High Accident
Contra Costa 3 days, 16 hours ago
CHP : Traffic Collision on I-680 Southbound south of CA-237 W (Milpitas). Right shoulder affected. Expect delays.
Moderate Accident
Santa Clara 3 days, 16 hours ago
CHP : Traffic Hazard on I-680 Southbound at Bollinger Canyon Rd (San Ramon). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 16 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Vallecitos Rd (Sunol). Lane affected. Expect delays.
Moderate Accident
Alameda 3 days, 16 hours ago
Caltrans : Roadwork on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp closed until 8 AM. From 9:00 PM Friday, June 05, 2026 to 8:00 AM Saturday, June 06, 2026.
Construction
Contra Costa 3 days, 18 hours ago
CHP : Traffic Hazard on I-680 Southbound ramp to I-580 E (Pleasanton). Connector ramp affected. Expect delays.
High Accident
Alameda 4 days, 6 hours ago
CHP : Fire on I-680 Southbound at CA-24 W (Walnut Creek). Lane affected. Expect delays.
Moderate Accident
Contra Costa 4 days, 7 hours ago
CHP : Traffic Hazard on I-680 Southbound at Auto Mall Pky (Fremont). Left lane affected. Expect delays.
Moderate Accident
Alameda 4 days, 7 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lane blocked. Expect delays.
Moderate Accident
Contra Costa 4 days, 15 hours ago
CHP : Residual delays on I-680 Southbound north of Stone Valley Rd (Alamo). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 4 days, 15 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Livorna Rd (Alamo). Lane blocked. Expect delays.
Moderate Accident
Contra Costa 4 days, 17 hours ago
CHP : Fire on I-680 Southbound at Auto Mall Pky (Fremont). Right shoulder affected. Expect delays.
Moderate Accident
Alameda 5 days, 15 hours ago
CHP : Traffic Hazard on I-680 Southbound north of CA-4 E (Martinez). Lane affected. Expect delays.
Moderate Accident
Contra Costa 5 days, 16 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Scott Creek Rd (Fremont). Lane blocked. Expect delays.
Moderate Accident
Alameda 5 days, 16 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 3rd lane from the left affected. Expect delays.
Moderate Accident
Contra Costa 5 days, 16 hours ago
Caltrans : Roadwork on I-680 Southbound between Stoneridge Dr (Pleasanton) and Bernal Ave (Pleasanton). Left lane and shoulder closed until 4 AM. From 8:00 PM Wednesday, June 03, 2026 to 4:00 AM Thursday, June 04, 2026.
Construction
Alameda 5 days, 20 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Oak Park Blvd (Pleasant Hill). 3rd lane from the left affected. Expect delays.
Moderate Accident
Contra Costa 6 days, 5 hours ago
CHP : Traffic Hazard on I-680 Southbound north of Parish Rd (Fairfield). Right lane blocked. Expect delays.
Moderate Accident
Solano 6 days, 7 hours ago
CHP : Disabled tractor trailer on I-680 Southbound at Andrade Rd (Unincorporated). Right lane affected. Expect delays.
Moderate Accident
Alameda 6 days, 8 hours ago
Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Wednesday, June 03, 2026 to 6:00 PM Wednesday, June 03, 2026.
Construction
Contra Costa 6 days, 8 hours ago
Caltrans : Roadwork on I-680 Southbound between Hostetter Rd (San Jose) and I-280 N (San Jose). Lane closed until 2 PM. From 9:00 AM Wednesday, June 03, 2026 to 2:00 PM Wednesday, June 03, 2026.
Construction
Santa Clara 6 days, 11 hours ago
CHP : Traffic Collision on I-680 Southbound exiting at Andrade Rd (Unincorporated). Off Ramp affected. Expect delays.
High Accident
Alameda 6 days, 14 hours ago
CHP : Fire on I-680 Southbound north of Marshview Rd (Fairfield). Lane affected. Expect delays.
Moderate Accident
Solano 1 week ago