Article 16(2) and (3).
SCHEDULE 1N.I.CLASSES OF TRAFFIC FOR PURPOSES OF SPECIAL ROADS
Class IN.I.
1. Motor tractors, heavy motor cars, motor cars and motor-cycles whereof the cylinder capacity of the engine is not less than 50 cubic centimetres, and trailers drawn thereby, which comply with general regulations as to construction and use made under Article 28 of the Road Traffic Order and in the case of which the following conditions are satisfied—
(i)that the whole weight of the vehicle is transmitted to the road surface by means of wheels;
(ii)that all wheels of the vehicle are equipped with pneumatic tyres;
(iii)that the vehicle is not controlled by a pedestrian;
(iv)in the case of a motor vehicle it is so constructed as to be capable of attaining a speed of 25 miles per hour on the level under its own power, when unladen and not drawing a trailer; and
(v)that the vehicle is not a vehicle mentioned in paragraph 2 of Part I of Schedule 3 to the Vehicles (Excise) Act 1971F1.
Class IIN.I.
2. Motor vehicles and trailers, the use of which for or in connection with the conveyance of abnormal indivisible loads is authorised by an order made under Article 29(3) of the Road Traffic Order.
3. Heavy and light locomotives when being used for or in connection with the conveyance of abnormal indivisible loads.N.I.
4. Motor vehicles and trailers constructed for naval, military, air force or other defence purposes, the use of which is authorised by an order under Article 29(3) of the Road Traffic Order.N.I.
Class IIIN.I.
5. Motor vehicles controlled by pedestrians.
Class IVN.I.
6. All motor vehicles (other than invalid carriages and motor-cycles whereof the cylinder capacity of the engine is less than 50 cubic centimetres) not comprised in Class I, Class II or Class III.
Class VN.I.
7. Vehicles drawn by animals.
Class VIN.I.
8. Vehicles (other than pedal-cycles, perambulators, push-chairs and other forms of baby carriages) drawn or propelled by pedestrians.
Class VIIN.I.
9. Pedal-cycles.
Class VIIIN.I.
10. Animals ridden, led or driven.
Class IXN.I.
11. Pedestrians, perambulators, push-chairs and other forms of baby carriages and dogs held on a lead.
Class XN.I.
12. Motor-cycles whereof the cylinder capacity of the engine is less than 50 cubic centimetres.
Class XIN.I.
13. Invalid carriages.
14. In this Schedule—N.I.
“abnormal indivisible load” means a load which—
(a)cannot without undue expense or undue risk of damage be divided into two or more loads for conveyance on a road; and
(b)owing to its dimensions or weight can only be carried by motor vehicles or trailers the use of which on roads is lawful only by reason of an order made under Article 29(3) of the Road Traffic Order;
“invalid carriages” means mechanically propelled vehicles the weight of which unladen does not exceed 5 hundredweight and which are specially designed and constructed, and not merely adapted, for the use of persons suffering from some physical defect or disability and are used in accordance with conditions prescribed by regulations made under the Road Traffic Order; and
any expression, other than “invalid carriages”, defined for the purposes of the Road Traffic Order has the same meaning as in that Order.