Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
A construction was reported on CA-4 W near Contra Costa on November 2, 2026 at 4:01 AM.
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 11:30 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 11:15 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 11:00 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 10:45 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 10:30 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 10:15 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 10:00 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 9:45 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 9:30 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 9:15 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 9:00 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 8:45 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 8:30 PM
Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Cummings Skwy (Port Costa). Right lane and shoulder closed until 5 AM. From 8:00 PM Sunday, November 01, 2026 to 5:00 AM Monday, November 02, 2026.
Nov 1, 8:15 PM
Source: 511_sfbay · ID 511.org/1571659
First seen Nov 1, 2026 8:15 PM