(a) The driver of any motor vehicle when traveling upon a down grade shall not coast with the gears or transmission of such vehicle in neutral or the clutch disengaged. (b) The driver of a truck or bus when traveling upon a down grade shall not coast with the clutch disengaged. (Acts 1980, No. 80-434, p. 604, §11-108.)
Coasting Prohibited
Ala. Code § 32-5A-57, under Operation and Use of Vehicles Generally.
Ala. Code § 32-5A-57