Section IV
Traffic Signs shown in Schedule 2
20.—(1) Subject to the provisions of these Regulations, a traffic sign consisting of a line or mark on a road (in these Regulations referred to as a "road marking") for conveying to traffic on roads a warning, a requirement or information of the description specified under a diagram (other than diagrams 1003 and 1013) in Schedule 2 shall be of the size and type shown in the diagram relating to that warning, requirement or information:
20.—(2) In diagrams 1001, 1004, 1009, 1010, 1013, 1019 to 1022, 1024, 1038 and 1039 the dimensions indicated in brackets against dimensions not so indicated may be treated as an alternative to the last mentioned dimensions.
21. A road marking for conveying to vehicular traffic the requirement specified in paragraph(2) of the next succeeding Regulation shall be of the size and type shown in diagram 1003.
22.—(1) For the purposes of this Regulation—
"minor road ”means a road at a road junction on which road are placed the transverse lines shown in diagram 1003;
"major road" means the road at a road junction into which road emerges vehicular traffic from a minor road.
(2) The requirement conveyed by the said transverse lines, whether or not they are used in conjunction with the sign shown in diagram 602, shall be that no vehicle shall proceed past such one of those lines as is nearest to the major road into that road in such a manner or at such a time as is likely to cause danger to the driver of any other vehicle on the major road or as to necessitate the driver of any such other vehicle to change its speed or course in order to avoid an accident with the first-mentioned vehicle.
23.—(1) A road marking for conveying the requirements specified in the next succeeding paragraph and the warning specified in paragraph (5) of this Regulation shall be of the size and type shown in diagram 1013.
(2) The requirements conveyed by the road marking mentioned in the last preceding paragraph shall be that
(a) subject to the provisions of paragraph (3) of this Regulation, no vehicle shall stop on any length of road along which the marking has been placed at any point between the two ends of the marking; and
(b) subject to the provisions of paragraph (4) of this Regulation every vehicle proceeding on any length of road along which the marking has been so placed that, as viewed in the direction of travel of the vehicle, the continuous line is on the left of a dotted line or a continuous line shall be so driven as to keep the first-mentioned continuous line on the right hand or off side of the vehicle.
(3) Nothing in sub-paragraph (a) of the last preceding paragraph shall apply—
(a) so as to prevent a vehicle stopping on any length of road so long as may be necessary
(i)to enable a person to board or alight from the vehicle,
(ii)to enable goods to be loaded on to or to be unloaded from the vehicle, or
