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Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 3,198 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 21 new crashes were reported. Crash volume is highest on CA-4 W and CA-4 E.

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. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated July 30, 2026.

Breakdown by type: 65 accident.

65

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 65 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 65 results

65 accident

CHP : Traffic Collision on CA-24 Eastbound east of Pleasant Hill Rd (Lafayette). Lane blocked. Expect delays.

CA-24 E 1 day, 12 hours ago

CHP : Residual delays on CA-4 Westbound at L St (Antioch). Center Divider affected. Expect delays.

CA-4 W 2 days, 12 hours ago

CHP : Traffic Hazard on CA-24 Westbound west of Pleasant Hill Rd (Lafayette). Center Divider affected. Expect delays.

CA-24 W 3 days, 11 hours ago

CHP : Traffic Collision on I-680 Southbound north of Alcosta Blvd (San Ramon). Center Divider affected. Expect delays.

I-680 S 4 days, 7 hours ago

CHP : Traffic Collision on CA-24 Eastbound west of Pleasant Hill Rd (Lafayette). 3rd lane from the left blocked. Expect delays.

CA-24 E 1 week, 1 day ago

CHP : Brush fire on I-80 Westbound at San Pablo Dam Rd (San Pablo). Center Divider affected. Expect delays.

I-80 W 1 week, 3 days ago

CHP : Residual delays on CA-4 Eastbound east of Port Chicago Hwy (Concord). Center Divider affected. Expect delays.

CA-4 E 2 weeks ago

CHP : Residual delays on I-680 Northbound south of Bollinger Canyon Rd (San Ramon). Center Divider affected. Expect delays.

I-680 N 2 weeks ago

CHP : Disabled truck on I-680 Northbound south of N Main St (Walnut Creek). 2nd lane from the left blocked. Expect delays.

I-680 N 2 weeks, 1 day ago

CHP : Traffic Collision on I-680 Southbound north of Geary Rd (Walnut Creek). Lane affected. Expect delays.

I-680 S 2 weeks, 2 days ago

CHP : Traffic Collision on I-680 Southbound south of Geary Rd (Walnut Creek). Lane affected. Expect delays.

I-680 S 2 weeks, 2 days ago

CHP : Residual delays on CA-4 Eastbound west of Railroad Ave (Pittsburg). Center Divider affected. Expect delays.

CA-4 E 2 weeks, 3 days ago

CHP : Traffic Collision on I-680 Southbound south of CA-4 E (Martinez). Center Divider affected. Expect delays.

I-680 S 2 weeks, 3 days ago

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Port Chicago Hwy (Concord). Center Divider affected. Expect delays.

CA-4 W 2 weeks, 4 days ago

CHP : Traffic Collision on CA-24 Eastbound east of Pleasant Hill Rd (Lafayette). 3rd lane from the left blocked. Expect delays.

CA-24 E 2 weeks, 6 days ago

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Sycamore Ave (Hercules). Center Divider affected. Expect delays.

CA-4 W 3 weeks, 3 days ago

CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Center Divider affected. Expect delays.

CA-4 E 3 weeks, 4 days ago

CHP : Disabled vehicle on CA-4 Eastbound west of Loveridge Rd (Pittsburg). Center Divider affected. Expect delays.

CA-4 E 3 weeks, 5 days ago

CHP : Residual delays on I-680 Northbound south of Willow Pass Rd (Concord). Center Divider affected. Expect delays.

I-680 N 3 weeks, 5 days ago

CHP : Residual delays on CA-242 Northbound exiting at Olivera Rd (Concord). Center Divider affected. Expect delays.

CA-242 N 3 weeks, 6 days ago

CHP : Traffic Collision on Ygnacio Valley Rd Eastbound east of Civic Dr (Walnut Creek). All lanes blocked. Avoid the area.

Ygnacio Valley Rd 4 weeks, 1 day ago

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

I-680 S 1 month ago

CHP : Traffic Hazard on I-80 Westbound east of Mcbryde Ave (Richmond). Center Divider affected. Expect delays.

I-80 W 1 month ago

CHP : Disabled vehicle on I-680 Southbound south of Bollinger Canyon Rd (San Ramon). Center Divider affected. Expect delays.

I-680 S 1 month ago

CHP : Disabled vehicle on CA-24 Eastbound west of Camino Pablo (Orinda). Center Divider affected. Expect delays.

CA-24 E 1 month ago

CHP : Disabled vehicle on Ygnacio Valley Rd Eastbound west of Oakland Blvd (Walnut Creek). Lane blocked. Expect delays.

Ygnacio Valley Rd 1 month ago

CHP : Traffic Hazard on Ygnacio Valley Rd Eastbound at Oakland Blvd (Walnut Creek). Lane affected. Expect delays.

Ygnacio Valley Rd 1 month, 1 week ago

CHP : Traffic Hazard on CA-4 Westbound east of Loveridge Rd (Pittsburg). Center Divider affected. Expect delays.

CA-4 W 1 month, 1 week ago

CHP : Residual delays on CA-4 Eastbound east of Port Chicago Hwy (Concord). Center Divider affected. Expect delays.

CA-4 E 1 month, 1 week ago

CHP : Disabled vehicle on Ygnacio Valley Rd Eastbound west of Oakland Blvd (Walnut Creek). Right shoulder affected. Expect delays.

Ygnacio Valley Rd 1 month, 2 weeks ago

CHP : Traffic Hazard on I-680 Southbound at Monument Blvd (Pleasant Hill). Center Divider affected. Expect delays.

I-680 S 1 month, 2 weeks ago

CHP : Traffic Collision on I-680 Southbound at Monument Blvd (Pleasant Hill). Lane affected. Expect delays.

I-680 S 1 month, 2 weeks ago

CHP : Traffic Collision with Injuries on I-680 Southbound at CA-4 E (Martinez). Center Divider affected. Expect delays.

I-680 S 1 month, 3 weeks ago

CHP : Disabled vehicle on CA-24 Eastbound west of Wilder Road (Orinda). Center Divider affected. Expect delays.

CA-24 E 1 month, 3 weeks ago

CHP : Disabled vehicle on CA-24 Westbound east of Acalanes Rd (Lafayette). Center Divider affected. Expect delays.

CA-24 W 1 month, 3 weeks ago

CHP : Residual delays on I-680 Northbound north of El Cerro Blvd (Danville). Center Divider affected. Expect delays.

I-680 N 1 month, 3 weeks ago

CHP : Residual delays on CA-4 Westbound east of I-80 E (Hercules). Center Divider affected. Expect delays.

CA-4 W 1 month, 3 weeks ago

CHP : Disabled vehicle on CA-24 Eastbound west of Pleasant Hill Rd (Lafayette). Center Divider affected. Expect delays.

CA-24 E 1 month, 4 weeks ago

CHP : Residual delays on I-680 Northbound north of Rudgear Rd (Walnut Creek). Center Divider affected. Expect delays.

I-680 N 1 month, 4 weeks ago

CHP : Traffic Collision on I-680 Southbound south of Alcosta Blvd (San Ramon). Center Divider affected. Expect delays.

I-680 S 1 month, 4 weeks ago

CHP : Traffic Collision on I-680 Northbound south of S Main St (Walnut Creek). Center Divider affected. Expect delays.

I-680 N 1 month, 4 weeks ago

CHP : Residual delays on CA-24 E-I-680 S Ramp Southbound south of CA-24 E (Walnut Creek). Center Divider blocked. Expect delays.

CA-24 E-I-680 S Ramp 2 months ago

CHP : Traffic Collision on I-680 Southbound north of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

I-680 S 2 months ago

CHP : Traffic Collision on I-680 Southbound north of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

I-680 S 2 months ago

CHP : Traffic Collision on I-680 Northbound north of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

I-680 N 2 months ago

CHP : Traffic Hazard on I-680 Northbound south of Treat Blvd (Walnut Creek). Center Divider affected. Expect delays.

I-680 N 2 months ago

CHP : Fire on CA-4 Westbound east of CA-242 N (Concord). Center Divider affected. Expect delays.

CA-4 W 2 months, 1 week ago

CHP : Traffic Collision on I-680 Southbound south of Monument Blvd (Pleasant Hill). 2nd lane from the left affected. Expect delays.

I-680 S 2 months, 1 week ago

CHP : Residual delays on CA-24 Eastbound west of Pleasant Hill Rd (Lafayette). Center Divider affected. Expect delays.

CA-24 E 2 months, 1 week ago

CHP : Traffic Collision on I-680 Northbound exiting at Oak Park Blvd (Pleasant Hill). Left lane closed. Expect delays.

I-680 N 2 months, 1 week ago