Tennessee Code Title 55. Motor and Other Vehicles § 55-7-116

(1) Ability to intercept maximum number of trucks;

(2) Resistance to being bypassed by trucks;

(3) Proximity of services;

(4) Cost of construction of and right-of-way to the station;

(5) Avoidance of adverse alignment of the through lanes;

(6) Adequate spacing from interchanges and bridges;

(7) Effect on environment; and

(8) Facilitation of enforcement.