Construction Resolved

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026.

A construction was reported on CA-4 E near Contra Costa on August 12, 2026 at 4:01 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Aug 11, 9:01 PM

Last Updated

1 day, 8 hours ago

Aug 12, 1:45 AM

Resolved

Aug 12, 7:45 AM

Coordinates

37.9905, -122.1302

Update History

6 observations

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 1:45 AM

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 1:30 AM

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 1:15 AM

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 12:15 AM

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 12:00 AM

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 11, 11:45 PM

Source: 511_sfbay · ID 511.org/1534287 First seen Aug 11, 2026 11:45 PM