Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of I-680 N (Martinez). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on June 6, 2026 at 9:09 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 6, 2:09 PM

Last Updated

3 days, 14 hours ago

Jun 6, 2:30 PM

Resolved

Jun 6, 8:45 PM

Coordinates

37.9956, -122.0666

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of I-680 N (Martinez). Right lane blocked. Expect delays. Jun 6, 2:15 PM

Source: 511_sfbay · ID 511.org/1504672 First seen Jun 6, 2026 2:15 PM