Accident High Severity Resolved

CHP : Traffic Collision on US-101 Southbound entering at Woodside Rd (Redwood City). On Ramp blocked. Expect delays.

A high-severity accident was reported on US-101 S near San Mateo on October 1, 2026 at 9:43 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 1, 2:43 PM

Last Updated

3 weeks, 4 days ago

Oct 1, 3:45 PM

Resolved

Oct 1, 10:00 PM

Coordinates

37.4915, -122.2196

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound entering at Woodside Rd (Redwood City). On Ramp blocked. Expect delays. Oct 1, 3:45 PM

CHP : Traffic Collision on US-101 Southbound entering at Woodside Rd (Redwood City). On Ramp blocked. Expect delays. Oct 1, 3:00 PM

Source: 511_sfbay · ID 511.org/1557628 First seen Oct 1, 2026 3:00 PM