Construction Active

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026.

A construction was reported on CA-1 S near San Mateo on June 12, 2026 at 2:01 PM.

Road

CA-1 S

Area

San Mateo

Address

Loading…

Started

Jun 12, 7:01 AM

Last Updated

6 minutes ago

Jun 12, 9:00 AM

Coordinates

37.3290, -122.3956

Update History

7 observations

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 9:00 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 8:45 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 8:30 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 8:15 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 8:00 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 7:45 AM

Caltrans : Roadwork on CA-1 Southbound at CA-84 (San Gregorio). Lane closed. One way traffic control in effect. From 7:00 AM Friday, June 12, 2026 to 5:00 PM Friday, June 12, 2026. Jun 12, 7:30 AM

Source: 511_sfbay · ID 511.org/1507336 First seen Jun 12, 2026 7:30 AM