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Authorities are searching for a hit-and-run driver that fatally struck a Caltrans subcontractor on southbound 110 Freeway in downtown Los Angeles Wednesday morning.

The crash was reported near the freeway’s West Third Street collector road just before 12:15 a.m., according to a tweet from the California Highway Patrol.

Officers found a male victim down on the freeway when they arrived, California Highway Patrol Sgt. Taka Hiura said.

The victim, identified as a 48-year-old from Fallbrook, was pronounced dead at the scene. His name is being withheld pending notification of his family, the CHP stated in a news release.

The man was working for a traffic management company and was in the process of putting out cones for a road closure when the crash occurred, Hiura said.

Authorities are searching for a dark-colored SUV with possible front end damage. No further details about the vehicle were immediately available.

Authorities did not provide a description of the driver.

The southbound side of the freeway had to be closed for several hours as the crash was investigated. The freeway lanes were reopened to traffic by 6 a.m., video from the scene showed.

Anyone with information about the driver is asked to contact the CHP at 213-744-2331.