Construction Active

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Thursday, August 20, 2026 to 4:30 PM Thursday, August 20, 2026.

A construction was reported on CA-1 S near Marin on August 20, 2026 at 2:30 PM.

Road

CA-1 S

Area

Marin

Address

Loading…

Started

Aug 20, 7:30 AM

Last Updated

14 minutes ago

Aug 20, 10:15 AM

Coordinates

38.1839, -122.9108

Update History

3 observations

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Thursday, August 20, 2026 to 4:30 PM Thursday, August 20, 2026. Aug 20, 10:15 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Thursday, August 20, 2026 to 4:30 PM Thursday, August 20, 2026. Aug 20, 10:00 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Thursday, August 20, 2026 to 4:30 PM Thursday, August 20, 2026. Aug 20, 9:45 AM

Source: 511_sfbay · ID 511.org/1538258 First seen Aug 20, 2026 9:45 AM