Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound west of CA-242 S (Concord). Right lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on November 4, 2026 at 3:44 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Nov 4, 7:44 AM

Last Updated

1 hour, 12 minutes ago

Nov 4, 8:00 AM

Coordinates

38.0045, -122.0388

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of CA-242 S (Concord). Right lane affected. Expect delays. Nov 4, 8:00 AM

Source: 511_sfbay · ID 511.org/1572766 First seen Nov 4, 2026 8:00 AM