SOLANO COUNTY (BCN) – A 27-year-old Sacramento man died in a solo-vehicle crash in westbound Interstate 80 east of Vacaville early Thursday morning, according to the California Highway Patrol.

Officers responded around 5:50 a.m. to the crash on westbound 80 at Oday Road and arrived to find a blue Mazda 6 had gone off the roadway and hit a bridge abutment.

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The driver, whose name has not yet been released, was not wearing a seat belt and died in the crash, CHP officials said.

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The cause of the crash remains under investigation. Anyone with information about the case is asked to call the CHP’s non-emergency line at (800) TELL-CHP or the CHP’s Solano-area office at (707) 428-2100.

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