Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound at Center Ave (Martinez). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 27, 2026 at 12:29 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 27, 5:29 AM

Last Updated

2 months ago

Aug 27, 5:30 AM

Resolved

Aug 27, 11:45 AM

Coordinates

37.9929, -122.1236

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at Center Ave (Martinez). Lane affected. Expect delays. Aug 27, 5:30 AM

Source: 511_sfbay · ID 511.org/1541462 First seen Aug 27, 2026 5:30 AM