Accident Moderate Active

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays.

Road

Area

Started

Apr 8, 7:51 AM

Last Seen

14 minutes ago

Coordinates

37.5808, -122.3247

Update History

4 observations

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 9:15 AM

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 9:00 AM

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 8:15 AM

CHP : Traffic Collision on US-101 Southbound north of E 3RD Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 8:00 AM

Source: 511_sfbay · ID 511.org/1478393 First seen Apr 8, 2026 8:00 AM