Construction Resolved

Caltrans : Roadwork on CA-1 Northbound and Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026.

A construction was reported on CA-1 S near Marin on August 17, 2026 at 2:30 PM.

Road

CA-1 S

Area

Marin

Address

Loading…

Started

Aug 17, 7:30 AM

Last Updated

20 hours, 51 minutes ago

Aug 17, 4:15 PM

Resolved

Aug 17, 10:15 PM

Coordinates

38.1839, -122.9108

Update History

11 observations

Caltrans : Roadwork on CA-1 Northbound and Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 1:00 PM

Caltrans : Roadwork on CA-1 Northbound and Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 10:45 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 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 Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 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 Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 9:30 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 9:15 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 9:00 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 8:45 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 8:30 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 8:15 AM

Caltrans : Roadwork on CA-1 Southbound at Marshall-petaluma Rd (Marshall). Lane closed. One way traffic control in effect. From 7:30 AM Monday, August 17, 2026 to 4:30 PM Monday, August 17, 2026. Aug 17, 8:00 AM

Source: 511_sfbay · ID 511.org/1536630 First seen Aug 17, 2026 8:00 AM