A 21-year-old Palm Coast man was killed in a single-vehicle wreck early Saturday morning, troopers said.Tyler Tracy was behind the wheel of a 2002 Chevrolet SUV shortly before 1 a.m. Saturday when, for unknown reasons, he left the roadway and traveled into the median on northbound U.S. 1 near County Road 304, according to a report from the Florida Highway Patrol.The SUV then swerved the other way, left the roadway and struck a power pole, troopers said. The vehicle overturned and came to a final rest on its left side on top of Tracy, who'd been ejected from the SUV.The report did not state if Tracy died at the scene or at a hospital.Passenger Michael Neves, who was wearing a seat belt unlike Tracy, was uninjured, according to the report.Troopers said Neves, 22, of Palm Coast had been drinking alcohol, but tests will be performed to determine if alcohol was a factor for Tracy.