Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Lanes affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 31, 2026 at 5:57 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 30, 10:57 PM

Last Updated

5 hours, 51 minutes ago

Oct 30, 11:30 PM

Coordinates

38.0142, -121.9970

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Lanes affected. Expect delays. Oct 30, 11:00 PM

Source: 511_sfbay · ID 511.org/1571075 First seen Oct 30, 2026 11:00 PM