By Cecilio Padilla

ROCKLIN (CBS13) — Authorities are investigating a shooting that happened on Interstate 80 near Rocklin early Thursday morning.

California Highway Patrol says the shooting happened around 4 a.m. just west of Rocklin Road.

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Officers say a man was driving along the freeway when someone in a silver GMC SUV opened fire.

The man was shot twice, but he was able to drive off the freeway and to a nearby gas station and get help. A gas station clerk was the one who called police, officers say.

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Exactly what led up to the shooting is unclear at this point. The shooting victim’s injuries are considered non-life-threatening, CHP says.

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Investigators closed westbound I-80 for a short time later Thursday morning to collect evidence, but the freeway has since been reopened.