The California Highway Patrol said the pedestrian, 22-year-old Shane Cody Lewis, was walking in the middle of the lane and was wearing dark clothing. The crash occurred around 4 a.m., roughly two hours before sunrise.
The driver, 75-year-old William Prough, didn't see Lewis in time to stop, the CHP said.
Lewis suffered major injuries and was taken to Kern Medical Center.
The roadway was closed for about an hour.