Tennessee Code Title 55. Motor and Other Vehicles § 55-8-191

(a)(1) A low speed vehicle as defined in § 55-8-101 may be operated only on streets where the posted speed limit is thirty-five miles per hour (35 mph) or less. This subdivision (a)(1) does not prohibit a low speed vehicle from crossing a road or street at an intersection where the road or street has a posted speed limit of more than thirty-five miles per hour (35 mph).

(2) A county or municipality may prohibit the operation of low speed vehicles on any road under its jurisdiction if the governing body of the county or municipality determines that the prohibition is necessary in the interest of safety.

(3) The department of transportation may prohibit the operation of low speed vehicles on any road under its jurisdiction if it determines that the prohibition is necessary in the interest of safety.

(b)(1) A medium speed vehicle as defined in § 55-8-101 may be operated at a rate not to exceed thirty-five miles per hour (35 mph) only on streets where the posted speed limit is forty miles per hour (40 mph) or less. This subsection (b) does not prohibit a medium speed vehicle from crossing a road or street at an intersection where the road or street has a posted speed limit of more than forty miles per hour (40 mph).

(2) A county or municipality may prohibit the operation of medium speed vehicles on any road under its jurisdiction if the governing body of the county or municipality determines that the prohibition is necessary in the interest of safety.

(3) The department of transportation may prohibit the operation of medium speed vehicles on any road under its jurisdiction if it determines that the prohibition is necessary in the interest of safety.