Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 13, 2026 at 12:05 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 12, 5:05 PM

Last Updated

2 weeks, 1 day ago

Oct 12, 5:15 PM

Resolved

Oct 12, 11:30 PM

Coordinates

38.0082, -122.0304

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays. Oct 12, 5:15 PM

Source: 511_sfbay · ID 511.org/1562746 First seen Oct 12, 2026 5:15 PM