Accident High Severity Resolved

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

A high-severity accident was reported on CA-242 S near Contra Costa on October 11, 2026 at 10:54 AM.

Road

CA-242 S

Area

Contra Costa

Address

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Started

Oct 11, 3:54 AM

Last Updated

2 weeks, 2 days ago

Oct 11, 4:00 AM

Resolved

Oct 11, 10:00 AM

Coordinates

37.9666, -122.0490

Update History

3 observations

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Clayton Rd (Concord). Off Ramp affected. Expect delays. Oct 11, 4:00 AM

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays. Oct 11, 3:45 AM

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays. Oct 11, 3:30 AM

Source: 511_sfbay · ID 511.org/1562196 First seen Oct 11, 2026 3:30 AM