Accident High Severity Resolved

CHP : Residual delays on US-101 Northbound exiting at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on September 12, 2026 at 10:38 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 12, 3:38 PM

Last Updated

1 month, 2 weeks ago

Sep 12, 4:00 PM

Resolved

Sep 12, 10:00 PM

Coordinates

37.4818, -122.1771

Update History

1 observations

CHP : Residual delays on US-101 Northbound exiting at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays. Sep 12, 3:45 PM

Source: 511_sfbay · ID 511.org/1548560 First seen Sep 12, 2026 3:45 PM