A man was struck and killed Saturday morning by a vehicle on the Costa Mesa (55) Freeway in Santa Ana, authorities said.

The crash occurred about 3 a.m. on the southbound freeway, just south of Edinger Avenue, according to the California Highway Patrol.

A woman reported to the CHP that her husband was hit by a vehicle, the CHP said.

The vehicle may have been a white Lexus, authorities said.

There was no other immediate information available.