Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound south of Marsh Rd (Menlo Park). Lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 8, 2026 at 3:24 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 8, 8:24 AM

Last Updated

1 month, 2 weeks ago

Sep 8, 8:30 AM

Resolved

Sep 8, 2:30 PM

Coordinates

37.4833, -122.1808

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound south of Marsh Rd (Menlo Park). Lane blocked. Expect delays. Sep 8, 8:30 AM

Source: 511_sfbay · ID 511.org/1546307 First seen Sep 8, 2026 8:30 AM