Section 17C-14-8 - Coasting prohibited; penalty(a) The driver of any motor vehicle when traveling upon a down grade shall not coast with the gears of such vehicle in neutral.(b) The driver of a commercial motor vehicle when traveling upon a down grade shall not coast with the clutch disengaged.(c) Any person violating the provisions of this section is guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than one hundred dollars; upon a second conviction within one year thereafter, shall be fined not more than two hundred dollars; and upon a third or subsequent conviction, shall be fined not more than five hundred dollars.