UNICOI COUNTY, Tenn. -

A man was killed in a crash in Unicoi County, Tennessee shortly before 2 a.m. Wednesday.

The Tennessee Highway Patrol tells us 57-year-old Donald Bruce Wallin was driving his car westbound on Interstate 26 when he drove off the road, hitting the guard rail.

THP says he was thrown from his car. He was not wearing a seat belt.

Authorities say drugs and alcohol were not a factor.

No one else was hurt.