CA · Highway

CA-242 S Accidents & Crashes

CA-242 S has recorded 57 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 0 new crashes were reported. The highest crash volumes are concentrated near Contra Costa.

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 July 26, 2026.

Breakdown by type: 40 accident, 17 construction.

57

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on CA-242 S. Click a marker to view details.

Crash Records

CA-242 S Incidents 57 results

40 accident 17 construction

CHP : Traffic Collision with Injuries on CA-242 Southbound at Concord Ave (Concord). Lanes affected. Expect delays.

Moderate Accident

Contra Costa 1 day, 19 hours ago

CHP : Traffic Hazard on CA-242 Southbound north of Concord Ave (Concord). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 2 days, 8 hours ago

CHP : Traffic Hazard on CA-242 Southbound north of I-680 S (Concord). Center lane blocked. Expect delays.

Moderate Accident

Contra Costa 5 days, 6 hours ago

CHP : Traffic Collision on CA-242 Southbound at Olivera Rd (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 1 day ago

CHP : Brush fire on CA-242 Southbound north of Clayton Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 2 days ago

CHP : Traffic Hazard on CA-242 Southbound south of Concord Ave (Concord). Center lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 week, 2 days ago

CHP : Traffic Hazard on CA-242 Southbound south of Concord Ave (Concord). Right lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 4 days ago

CHP : Fire on CA-242 Southbound entering at Concord Ave (Concord). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 week, 4 days ago

CHP : Fire on CA-242 Southbound exiting at Concord Ave (Concord). Left lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 week, 4 days ago

CHP : Residual delays on CA-242 Southbound exiting at Concord Ave (Concord). Off Ramp open. Expect delays.

Contra Costa 1 week, 5 days ago

CHP : Traffic Hazard on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 weeks, 2 days ago

CHP : Traffic Hazard on CA-242 Southbound north of Concord Ave (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 3 weeks, 1 day ago

CHP : Fire on CA-242 Southbound north of Clayton Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 3 weeks, 1 day ago

CHP : Brush fire on CA-242 Southbound south of Solano Way (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 3 weeks, 3 days ago

CHP : Residual delays on CA-242 Southbound south of Concord Ave (Concord). All lanes open. Expect delays.

Contra Costa 3 weeks, 5 days ago

CHP : Brush fire on CA-242 Southbound at Concord Ave (Concord). On Ramp affected. Expect delays.

Contra Costa 4 weeks, 1 day ago

Caltrans : Roadwork on CA-242 Southbound between CA-4 E (Concord) and I-680 S (Concord). Lane closed. Expect delays. From 5:00 AM Saturday, June 27, 2026 to 12:00 PM Saturday, June 27, 2026.

Contra Costa 1 month ago

Caltrans : Roadwork on CA-242 Southbound between Solano Way (Concord) and Concord Ave (Concord). Right lanes closed until 10 PM. From 5:30 PM Monday, June 22, 2026 to 10:00 PM Monday, June 22, 2026.

Contra Costa 1 month ago

Caltrans : Roadwork on CA-242 Southbound exiting at Clayton Rd (Concord). Off Ramp closed until 10 PM. From 5:30 PM Monday, June 22, 2026 to 10:00 PM Monday, June 22, 2026.

Contra Costa 1 month ago

Caltrans : Roadwork on CA-242 Southbound entering at Solano Way (Concord). On Ramp closed until 10 PM. From 5:30 PM Monday, June 22, 2026 to 10:00 PM Monday, June 22, 2026.

Contra Costa 1 month ago

CHP : Traffic Collision with Injuries on CA-242 Southbound at Concord Ave (Concord). All lanes open. Expect delays.

Contra Costa 1 month, 1 week ago

CHP : Traffic Collision on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 month, 1 week ago

CHP : Disabled vehicle on CA-242 Southbound exiting at Concord Ave (Concord). Center lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 month, 2 weeks ago

CHP : Severe traffic alert and Traffic Collision with Injuries on CA-242 Southbound south of Concord Ave (Concord). Left and center lanes blocked. Expect delays.

Contra Costa 1 month, 2 weeks ago

CHP : Disabled vehicle on CA-242 Southbound at Concord Ave (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 month, 2 weeks ago

CHP : Traffic Hazard on CA-242 Southbound south of Solano Way (Concord). 2nd lane from the left affected. Expect delays.

Moderate Accident

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-242 Southbound at Clayton Rd (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 month, 3 weeks ago

CHP : Vehicle fire on CA-242 Southbound south of Concord Ave (Concord). Left lanes blocked. Expect delays.

Moderate Accident

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Solano Way (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 months ago

CHP : Disabled vehicle on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 months ago

CHP : Traffic Hazard on CA-242 Southbound exiting at Concord Ave (Concord). Right lane affected. Expect delays.

Moderate Accident

Contra Costa 2 months ago

CHP : Fire on CA-242 Southbound south of CA-4 E (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 months, 1 week ago

CHP : Fire on CA-242 Southbound entering at Clayton Rd (Concord). On Ramp affected. Expect delays.

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Tuesday, May 12, 2026 to 5:00 AM Wednesday, May 13, 2026.

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Various lanes closed until 5 AM. From 9:00 PM Monday, May 11, 2026 to 5:00 AM Tuesday, May 12, 2026.

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Sunday, May 10, 2026 to 5:00 AM Monday, May 11, 2026.

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lane closed until 6 PM. From 2:00 PM Thursday, May 07, 2026 to 6:00 PM Thursday, May 07, 2026.

Contra Costa 2 months, 2 weeks ago

CHP : Traffic Hazard on CA-242 Southbound at I-680 S (Concord). Lanes blocked. Expect delays.

Moderate Accident

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Wednesday, May 06, 2026 to 5:00 AM Thursday, May 07, 2026.

Contra Costa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Tuesday, May 05, 2026 to 5:00 AM Wednesday, May 06, 2026.

Contra Costa 2 months, 3 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Monday, May 04, 2026 to 5:00 AM Tuesday, May 05, 2026.

Contra Costa 2 months, 3 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Sunday, May 03, 2026 to 5:00 AM Monday, May 04, 2026.

Contra Costa 2 months, 3 weeks ago

CHP : Traffic Collision on CA-242 Southbound at Clayton Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 months, 3 weeks ago

CHP : Traffic Hazard on CA-242 Southbound at CA-4 E (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 months, 3 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Wednesday, April 29, 2026 to 5:00 AM Thursday, April 30, 2026.

Contra Costa 2 months, 3 weeks ago

CHP : Fire on CA-242 Southbound south of Concord Ave (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 months, 4 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Tuesday, April 28, 2026 to 5:00 AM Wednesday, April 29, 2026.

Contra Costa 2 months, 4 weeks ago

Caltrans : Roadwork on CA-242 Southbound at CA-4 E (Concord). Lanes closed until 5 AM. From 9:00 PM Sunday, April 26, 2026 to 5:00 AM Monday, April 27, 2026.

Contra Costa 3 months ago

CHP : Traffic Hazard on CA-242 Southbound at Concord Ave (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 3 months, 1 week ago

CHP : Fire on CA-242 Southbound south of I-680 S (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 3 months, 1 week ago