Construction Active

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026.

A construction was reported on US-101 S near San Mateo on August 8, 2026 at 4:01 AM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Aug 7, 9:01 PM

Last Updated

2 minutes ago

Aug 8, 7:30 AM

Coordinates

37.5709, -122.3139

Update History

7 observations

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 7:30 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 7:15 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 7:00 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 6:45 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 6:30 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 6:00 AM

Caltrans : Roadwork on US-101 Southbound entering at E 3RD Ave (San Mateo). On Ramp closed until 8 AM. From 9:00 PM Friday, August 07, 2026 to 8:00 AM Saturday, August 08, 2026. Aug 8, 3:15 AM

Source: 511_sfbay · ID 511.org/1532705 First seen Aug 8, 2026 3:15 AM