Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Alhambra Ave (Martinez). Lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on June 18, 2026 at 3:56 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 17, 8:56 PM

Last Updated

4 months, 1 week ago

Jun 17, 9:15 PM

Resolved

Jun 18, 3:15 AM

Coordinates

37.9899, -122.1333

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Alhambra Ave (Martinez). Lane blocked. Expect delays. Jun 17, 9:00 PM

Source: 511_sfbay · ID 511.org/1509715 First seen Jun 17, 2026 9:00 PM