§ 71.049  COASTING PROHIBITED.
   (A)   The driver of any motor vehicle when traveling upon a down grade shall not coast with the gears or transmission of the vehicle in neutral.
   (B)   The driver of a truck or bus when traveling upon a down grade shall not coast with the clutch disengaged.
(ILCS Ch. 625, Act 5, § 11-1410)  Penalty, see § 70.999