Highway 101 truck crash at San Antonio Road snarls commute

A Wednesday afternoon crash on Highway 101 at San Antonio Road that blocked all southbound traffic lanes backed up traffic for more than an hour in Sonoma County and snarled Wednesday evening’s commute in other directions, according to the CHP.

The backup, extending for miles in Sonoma County, came after an empty American Tire Distributors box truck overturned around 4:15 p.m. on southbound Highway 101 near the San Antonio Road exit at the Marin-Sonoma County line. The CHP warned motorists to expect “significant delays.”

The driver. 41-year-old Marco Serrano, of Richmond, was traveling southbound in the slow lane on Highway 101 before drifting into the fast lane and hitting a construction rail, said CHP Officer Andrew Barclay. There were no injuries.

The CHP does not believe drugs or alcohol played a factor in the crash, Barclay said.

The roadway was reopened at 5:36 p.m.

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