SOLANO COUNTY (CBS13) — A man has died after a crash along westbound Interstate 80 between Dixon and Vacaville early Monday morning.

California Highway Patrol says, around 2:30 a.m., an Audi and BMW were involved in a crash along the highway near Midway Road. The cars stopped in the center median but were also partially blocking the fast lane.

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Several minutes after that initial crash, a third car crashed into the BMW and caused the vehicles to hit the people from BMW and Audi drivers – who were standing in the center median. Almost immediately after, a fourth car crashed into the wreck.

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Officers say the driver of the BMW was pronounced dead at the scene. His name has not been released at this point.

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Exactly what led up to the crashes is still under investigation.