Tennessee Code Title 55. Motor and Other Vehicles § 55-50-412

(1) Slow down and check that the railroad highway grade crossing is clear of an approaching train, if the driver is not required by § 55-8-147 to always stop at the crossing;

(2) Stop before reaching the railroad highway grade crossing, if the tracks are not clear, if the driver is not required to always stop, pursuant to § 55-8-147;

(3) Have sufficient space to drive completely through the railroad highway grade crossing without stopping; or

(4) Negotiate a railroad highway grade crossing because of insufficient undercarriage clearance.