Construction Resolved

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026.

A construction was reported on US-101 S near San Mateo on May 5, 2026 at 4:01 AM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

May 4, 9:01 PM

Last Updated

5 months, 3 weeks ago

May 5, 5:15 AM

Resolved

May 5, 11:30 AM

Coordinates

37.5708, -122.3141

Update History

12 observations

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 5:15 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 5:00 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 4:45 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 4:30 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 4:15 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 4:00 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 3:45 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 3:30 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 3:15 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 3:00 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 2:45 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed. From 9:00 PM Monday, May 04, 2026 to 6:00 AM Tuesday, May 05, 2026. May 5, 2:30 AM

Source: 511_sfbay · ID 511.org/1490185 First seen May 5, 2026 2:30 AM