Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 W near Contra Costa on August 25, 2026 at 4:15 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 25, 9:15 AM

Last Updated

1 hour, 43 minutes ago

Aug 25, 9:45 AM

Coordinates

38.0174, -121.9904

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Right lane blocked. Expect delays. Aug 25, 9:30 AM

Source: 511_sfbay · ID 511.org/1540479 First seen Aug 25, 2026 9:30 AM