By CBS13 Staff

STANISLAUS COUNTY (CBS13) — A Citrus Heights woman was killed in a head-on crash along Highway 4 in far eastern Stanislaus County over the weekend.

California Highway Patrol says, just after 1:30 p.m. Sunday, officers responded to a reported crash along the highway near Dunton Road about 10 miles west of Copperopolis. Officers found that a sedan had crashed head-on in a pickup truck.

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Witnesses who were behind the sedan said the driver was weaving back and forth over the yellow lines before the crash.

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The sedan driver was killed in the crash, officers say. Her name has not been released, but she was identified as a 43-year-old Citrus Heights resident.

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It’s unclear if drugs or alcohol were a factor in the crash, officers say.