Police believe a driver fell asleep at the wheel, causing an accident in Woodford county.
The accident happened on the Bluegrass Parkway between mile markers 64 and 65 before 3:30 a.m. Monday.
Police said it appears the driver of a semi-truck fell asleep, went off the road then overcorrected then truck.
That caused the truck to flip in the median.
Police said the driver was not hurt and no other cars were involved.
The truck was hauling clothes hangers.