For all vehicles and trains of vehicles, excluding fire force apparatus, it shall be unlawful:
(A) To operate any vehicle or train of vehicles incapable of being turned upon a radius of 40 feet or less;
(B) To operate any vehicle longer than 35 feet, except motor vehicles of a passenger- bus type, whose length shall not exceed 48 feet;
(C) To operate any train of vehicles including more than two trailers, or more than one semitrailer and one other trailer;
(D) To operate any train of vehicles longer than 60 feet, except as is provided in division (F) of this section;
(E) To operate any train of vehicles consisting of a motor vehicle and a semitrailer, which train is longer than 45 feet;
(F) For the purposes of the traffic code, the length of a train of vehicles shall be taken as its overall length when coupled, and the length of a vehicle or train of vehicles shall be taken as the overall length of the vehicle or train of vehicles and of any projecting portion of its load.
('73 Code, § 71.11) Penalty, see § 70.99