Each railroad company whose unfenced track passes through a field or enclosure is required to place a good and sufficient cattle guard or stops at the points of entering such field or enclosure, and keep the same in good repair.
Tenn. Code Ann. § 65-6-301, under Cattle Guards.
Tenn. Code Ann. § 65-6-301
Each railroad company whose unfenced track passes through a field or enclosure is required to place a good and sufficient cattle guard or stops at the points of entering such field or enclosure, and keep the same in good repair.