We now know the name of the person killed in an accident early Saturday morning on I-75 in Rockcastle County.

Police say the driver of a Pontiac lost control where lanes narrowed from three lanes to two, and hit a tractor-trailer. The passenger in the Pontiac, 76 year old Theresa Dewey of Michigan, was thrown from the car and pronounced dead at the scene.

She was not wearing a seatbelt.