Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 W near Contra Costa on November 5, 2026 at 8:06 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Nov 5, 12:06 PM

Last Updated

3 hours ago

Nov 5, 12:15 PM

Coordinates

38.0174, -121.9904

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Left lane blocked. Expect delays. Nov 5, 12:15 PM

Source: 511_sfbay · ID 511.org/1573461 First seen Nov 5, 2026 12:15 PM