Construction Resolved

Caltrans : Roadwork on US-101 Southbound exiting at Sister Cities Blvd (South San Francisco). Off Ramp closed until 5 AM. From 11:00 PM Tuesday, October 20, 2026 to 5:00 AM Wednesday, October 21, 2026.

A construction was reported on US-101 S near San Mateo on October 21, 2026 at 6:01 AM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Oct 20, 11:01 PM

Last Updated

1 week, 1 day ago

Oct 21, 2:30 AM

Resolved

Oct 21, 8:45 AM

Coordinates

37.6670, -122.3958

Update History

1 observations

Caltrans : Roadwork on US-101 Southbound exiting at Sister Cities Blvd (South San Francisco). Off Ramp closed until 5 AM. From 11:00 PM Tuesday, October 20, 2026 to 5:00 AM Wednesday, October 21, 2026. Oct 21, 2:30 AM

Source: 511_sfbay · ID 511.org/1566586 First seen Oct 21, 2026 2:30 AM

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