Clause 6

to regulate the width, height, wheel base, length and overhang of vehicles and trailers and the load carried thereby, the diameter of wheels and the width, nature and condition of tyres of vehicles and trailers and to prohibit the use of any tyres likely to cause damage to the roads;

to prohibit excessive noise due to the design or condition of the motor vehicle or trailer or the loading thereof;

to regulate the maximum weight unladen of heavy locomotives and heavy motor cars and the maximum weight laden of motor vehicles and trailers and the maximum weight to be transmitted to the road or any specified area thereof by a motor vehicle or trailer of any class or description or by any part or parts of such a vehicle or trailer in contact with the road and the conditions under which the weights may be required to be tested;

to prescribe the particulars to be marked on vehicles and trailers;

to specify the number and nature of springs and brakes on vehicles and trailers and to secure that springs, brakes, silencers and steering gear shall be efficient and kept in proper working order and for empowering any person or classes of persons named or described in such rules to test and inspect any such springs, brakes, silencers and steering gear on a road or, subject to the consent of the occupier of the premises, on any premises;

to regulate the appliances to be fitted for signalling the approach of a vehicle or enabling the driver of a motor vehicle to become aware of the approach of another vehicle from the rear or for intimating any intended change of speed or direction of a motor vehicle and to regulate or to prohibit the use of any such appliances and to secure that they shall be efficient and kept in proper working order;

to regulate the lights to be carried by vehicles and trailers whether in respect of the nature of such lights, the positions in which they shall be fixed and the periods during which they shall be lighted or otherwise;

to prescribe the safety equipment to be installed in vehicles;

to control, in connection with the use of a motor vehicle, the emission of smoke, oily substance, ashes, water, steam, visible vapour, noxious fumes, sparks, cinders, gas or grit;

to regulate the towing or drawing of vehicles by motor vehicles and the manner of attachments;

to prohibit in connection with the use of a motor vehicle the use of any appliance or the commission of any act which is likely to cause annoyance or danger;

to regulate the number of trailers that may be attached in train to any motor vehicle, the manner of attachment and the manner in which the same shall be kept under control and the maximum weight thereof;

to prescribe the number of persons to be employed in driving or attending motor vehicles or trailers and to regulate the duties and conduct of such persons;

to prescribe a maximum speed for motor vehicles of any class or description and to provide for exemption in special cases; and

to regulate or prohibit either generally or in specified areas or roads and either at all times or between specified hours the use of horns or other warning appliances,and different rules may be made in respect of different classes or descriptions of vehicles or in respect of the same class or description of vehicles in different circumstances.Savings5B. Nothing in this Part shall authorize any person to use any vehicle or trailer so constructed or used as to cause a public or private nuisance or be deemed to affect the liability by virtue of any Act or otherwise of the driver or owner so using such a vehicle.”.