Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Southbound north of E Poplar Ave (San Mateo). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on October 9, 2026 at 10:35 PM.

Address
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Started
Oct 9, 3:35 PM
Last Updated
2 weeks, 5 days ago
Oct 9, 4:00 PM
Resolved
Oct 9, 10:15 PM
Coordinates
37.5867, -122.3336
2 observations
CHP : Traffic Collision with Injuries on US-101 Southbound north of E Poplar Ave (San Mateo). 3rd lane from the left blocked. Expect delays. Oct 9, 4:00 PM
CHP : Traffic Collision with Injuries on US-101 Southbound north of E Poplar Ave (San Mateo). 3rd lane from the left blocked. Expect delays. Oct 9, 3:45 PM
Source: 511_sfbay · ID 511.org/1561607 First seen Oct 9, 2026 3:45 PM