1. The driver of any motor vehicle when traveling upon a downgrade may not coast with the gears or transmission of such vehicle in neutral. 2. The driver of a truck or bus when traveling upon a downgrade may not coast with the clutch disengaged.
39-10-57. Following emergency vehicle too closely prohibited - Stopping by emergency vehicle. The driver of a vehicle other than one on official business may not follow closer than five hundred feet [152.4 meters] behind an emergency vehicle displaying the appropriate light for that vehicle in an emergency. A driver of a vehicle other than one on official business may not stop the vehicle within two hundred feet [60.96 meters] of any emergency vehicle stopped in answer to a 911 emergency.