Construction Resolved

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026.

A construction was reported on US-101 S near San Mateo on May 9, 2026 at 3:01 PM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

May 9, 8:01 AM

Last Updated

5 months, 2 weeks ago

May 9, 3:30 PM

Resolved

May 9, 9:30 PM

Coordinates

37.6560, -122.4067

Update History

20 observations

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 3:30 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 3:15 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 3:00 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 2:45 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 2:30 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 2:15 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 2:00 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 1:45 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 1:30 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 1:15 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 1:00 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 12:45 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 12:30 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 12:15 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 12:00 PM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 11:45 AM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 11:30 AM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 11:15 AM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 11:00 AM

Caltrans : Roadwork on US-101 Southbound exiting at Grand Ave (South San Francisco). Off Ramp closed until 4 PM. From 8:00 AM Saturday, May 09, 2026 to 4:00 PM Saturday, May 09, 2026. May 9, 10:45 AM

Source: 511_sfbay · ID 511.org/1492271 First seen May 9, 2026 8:45 AM