CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 1,909 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 15 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 June 12, 2026.

Breakdown by type: 21 accident.

21

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 21 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 21 results

21 accident

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

I-680 S 3 days, 9 hours ago

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

I-680 S 4 days, 20 hours ago

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

CA-24 E 6 days, 1 hour ago

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

CA-24 W 6 days, 5 hours ago

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

I-680 N 1 week ago

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

CA-4 W 1 week ago

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

CA-24 E 1 week, 4 days ago

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

I-680 N 1 week, 4 days ago

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

I-680 S 1 week, 4 days ago

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

I-680 N 1 week, 5 days 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 weeks, 1 day ago

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

I-680 S 2 weeks, 5 days ago

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

I-680 S 2 weeks, 5 days ago

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

I-680 N 2 weeks, 5 days ago

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

I-680 N 2 weeks, 6 days ago

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

CA-4 W 3 weeks, 1 day 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 3 weeks, 2 days ago

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

CA-24 E 3 weeks, 3 days ago

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

I-680 N 3 weeks, 4 days ago

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

CA-4 W 3 weeks, 5 days ago

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

CA-4 E 4 weeks ago