Chico Baldwin, 53, of Liberty, died at Duke University Hospital of injuries suffered in the 10:30 a.m. incident, police said.
Highway Patrol troopers said they believe Baldwin parked in the I-540 median between the Interstate 40 and Aviation Parkway interchanges and walked into the eastbound lanes of the highway. He was struck by a Toyota sport utility vehicle driven by Trisha Kaminski, 26, of West Melbourne, Fla., police said.
No charges have been filed in the case. Police said speed and alcohol didn't appear to be factors in the case.
Several lanes of I-540 were closed after the incident while authorities investigated. Traffic was slowed for about three hours.