Accident Moderate Severity Stale

CHP : Traffic Collision on CA-4 Eastbound at CA-242 S (Concord). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 23, 2026 at 12:07 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 22, 5:07 PM

Last Updated

2 hours, 43 minutes ago

May 22, 5:15 PM

Coordinates

38.0045, -122.0388

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at CA-242 S (Concord). Right lane blocked. Expect delays. May 22, 5:15 PM

Source: 511_sfbay · ID 511.org/1498392 First seen May 22, 2026 5:15 PM