The Zanesville Highway Patrol is investigating an accident that resulted in a vehicle through the roof of a garage. It happened Tuesday morning around 9 a.m. on Newark Road. Troopers say the driver was traveling east, went off the right side of the road, hit a mailbox, and then went off the left side of the road near Adams Lane. The Trooper says the vehicle then landed through the roof of a garage owned by Briarwood. Troopers are on the scene investigating and say it is possible the driver of the vehicle suffered a medical problem which caused the accident.