Tenn. Code Ann. § 55-8-182: Operation of motorcycles on laned roadways

(a) All motorcycles are entitled to full use of a lane and no motor vehicle shall be driven in a manner that deprives any motorcycle of the full use of a lane. This subsection (a) shall not apply to motorcycles operated two (2) abreast in a single lane.

(b) The operator of a motorcycle shall not overtake and pass in the same lane occupied by the vehicle being overtaken.

(c) No person shall operate a motorcycle between lanes of traffic or between adjacent lines or rows of vehicles.

(d) Motorcycles shall not be operated more than two (2) abreast in a single lane.

(e) Motorcycles that are autocycles shall not be operated more than two (2) abreast in a single lane.

(f) Subsections (b) and (c) shall not apply to police officers in the performance of their official duties.