Accident High Severity Stale

CHP : Flooding on US-101 Southbound exiting at Hamilton Dr (Mill Valley). Off Ramp affected. Expect delays.

A high-severity accident was reported on US-101 S near Marin on October 28, 2026 at 8:48 PM.

Road

US-101 S

Area

Marin

Address

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Started

Oct 28, 1:48 PM

Last Updated

1 hour, 43 minutes ago

Oct 28, 5:15 PM

Coordinates

37.8916, -122.5166

Update History

4 observations

CHP : Flooding on US-101 Southbound exiting at Hamilton Dr (Mill Valley). Off Ramp affected. Expect delays. Oct 28, 5:15 PM

CHP : Flooding on US-101 Southbound exiting at Hamilton Dr (Mill Valley). Off Ramp affected. Expect delays. Oct 28, 5:00 PM

CHP : Flooding on US-101 Southbound exiting at Hamilton Dr (Mill Valley). Off Ramp affected. Expect delays. Oct 28, 4:15 PM

CHP : Flooding on US-101 Southbound exiting at Hamilton Dr (Mill Valley). Off Ramp affected. Expect delays. Oct 28, 4:00 PM

Source: 511_sfbay · ID 511.org/1569844 First seen Oct 28, 2026 4:00 PM