Construction Resolved

Caltrans : Roadwork on CA-1 Northbound and Southbound at Bonny Doon Rd (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, July 20, 2026 to 5:00 PM Monday, July 20, 2026.

A construction was reported on CA-1 S near San Mateo on July 20, 2026 at 2:01 PM.

Road

CA-1 S

Area

San Mateo

Address

Loading…

Started

Jul 20, 7:01 AM

Last Updated

1 week ago

Jul 20, 3:15 PM

Resolved

Jul 20, 9:15 PM

Coordinates

37.0126, -122.1978

Update History

2 observations

Caltrans : Roadwork on CA-1 Northbound and Southbound at Bonny Doon Rd (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, July 20, 2026 to 5:00 PM Monday, July 20, 2026. Jul 20, 11:00 AM

Caltrans : Roadwork on CA-1 Southbound at Bonny Doon Rd (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, July 20, 2026 to 5:00 PM Monday, July 20, 2026. Jul 20, 8:30 AM

Source: 511_sfbay · ID 511.org/1523439 First seen Jul 20, 2026 8:30 AM

← All California Incidents More in San Mateo More on CA-1 S