Accident Moderate Stale

CHP : Traffic Collision on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays.

Started
Apr 12, 5:15 AM
Last Seen
1 hour, 17 minutes ago
Coordinates
37.5400, -122.2839
4 observations
CHP : Traffic Collision on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Apr 12, 5:30 AM
CHP : Traffic Collision on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Apr 12, 5:15 AM
CHP : Traffic Collision on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Apr 12, 5:00 AM
CHP : Traffic Collision on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Apr 12, 4:30 AM
Source: 511_sfbay · ID 511.org/1480239 First seen Apr 12, 2026 4:30 AM