Construction Resolved

Caltrans : Roadwork on US-101 Southbound exiting at Ralston Ave (Belmont). Off Ramp closed until 6 AM. From 9:00 PM Thursday, May 28, 2026 to 6:00 AM Friday, May 29, 2026.

A construction was reported on US-101 S near San Mateo on May 29, 2026 at 4:01 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

May 28, 9:01 PM

Last Updated

15 hours, 25 minutes ago

May 29, 5:15 AM

Resolved

May 29, 11:15 AM

Coordinates

37.5263, -122.2702

Update History

1 observations

Caltrans : Roadwork on US-101 Southbound exiting at Ralston Ave (Belmont). Off Ramp closed until 6 AM. From 9:00 PM Thursday, May 28, 2026 to 6:00 AM Friday, May 29, 2026. May 29, 5:15 AM

Source: 511_sfbay · ID 511.org/1500851 First seen May 29, 2026 5:15 AM

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