2021 Tennessee Code
Part 1 - Hiking-Bicycle Trails
§ 11-12-102. Applicability

This part only applies in those counties with a metropolitan form of government and in those counties with a population according to the 1970 federal census or any subsequent federal census of:
not less than  nor more than
11,650 11,675
23,460 23,485
35,450 35,475
50,675 50,700
250,000 300,000