It is illegal to challenge someone to a duel, or accept a duel, even it it is never actually fought. Penalty: Imprisonment for one to seven years.

31-15-4 Overtaking on left. The following rules shall govern the overtaking and passing of vehicles proceeding in the same direction, subject to those limitations, exceptions, and special rules stated in this section: (1) The driver of a vehicle overtaking another vehicle proceeding in the same direction shall give a timely, audible signal and shall pass…