Accident Resolved

CHP : Residual delays on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). All lanes open. Expect delays.

A accident was reported on CA-4 E near Contra Costa on July 2, 2026 at 2:16 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 1, 7:16 PM

Last Updated

3 months, 3 weeks ago

Jul 2, 1:45 AM

Resolved

Jul 2, 8:00 AM

Coordinates

38.0148, -122.1776

Update History

7 observations

CHP : Residual delays on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). All lanes open. Expect delays. Jul 2, 1:45 AM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 2, 1:30 AM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 2, 12:30 AM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 1, 11:30 PM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 1, 10:15 PM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 1, 9:15 PM

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays. Jul 1, 7:30 PM

Source: 511_sfbay · ID 511.org/1515887 First seen Jul 1, 2026 7:30 PM