Tennessee Code Title 55. Motor and Other Vehicles § 55-9-607

(a) The departments of health and safety shall initiate an educational program designed to encourage compliance with safety belt and child passenger restraint system usage laws. This program shall focus on the effectiveness of restraint devices, the monetary saving and other benefits to the public, and the requirements and penalties specified in this law.

(b) The commissioner of transportation may, within the department of transportation's existing budget, erect signs or add to existing signs along interstate highways within the state a statement to the effect that Tennessee law requires all passengers in a motor vehicle to be wearing safety belts. The number and placement of the signs shall be within the discretion of the commissioner.