A man died early Monday after he was struck by at least two vehicles on Interstate 10, according to the New Orleans Police Department.

Police report that shortly after 2 a.m., an 18-wheeler traveling in the right lane on I-10 West before the Carrollton exit rolled over an unidentified man. A preliminary investigation indicates the man had already been struck in the roadway.

Investigators are trying to determine when and how the man was initially struck.