BLUE CANYON (CBS13) — Authorities are investigating after a head-on crash involving a big rig and a sedan in the Sierra early Friday morning.

The crash happened a little after 2:30 a.m. along the westbound side of Interstate 80, east of Blue Canyon.

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Exactly what led up to the crash is unclear.

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It’s unclear if there were any significant injuries in the crash.

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The crash scene has since been cleared and traffic is moving through the area as normal.