Accident Low Severity Resolved

CHP : Traffic Collision on US-101 Southbound ramp to I-380 W (South San Francisco). Lane affected. Expect delays.

A minor accident was reported on US-101 S near San Mateo on September 8, 2026 at 5:12 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 8, 10:12 AM

Last Updated

1 month, 2 weeks ago

Sep 8, 10:30 AM

Resolved

Sep 8, 4:30 PM

Coordinates

37.6361, -122.4039

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound ramp to I-380 W (South San Francisco). Lane affected. Expect delays. Sep 8, 10:30 AM

CHP : Traffic Collision on I-380 Westbound north of US-101 S (South San Francisco). Lane affected. Expect delays. Sep 8, 10:15 AM

Source: 511_sfbay · ID 511.org/1546359 First seen Sep 8, 2026 10:15 AM