3.—(1) Subject to regulations 5, 6 and 9, where a crossing operator causes or permits a crossing sign to be placed on or near a relevant road at or near a crossing, the crossing sign must be of the size, colour and type shown and described in—
(a)a diagram in Schedule 1; or
(b)any of the following diagrams set out in the signs tables in the following Schedules to the 2016 Regulations—
(i)Schedule 2—
(aa)Part 2: diagrams 770 (Item 51), 771 (Item 52), 772 (Item 53), 779 (Item 54) and 782 (Item 55),
(bb)Part 6: diagrams 774 (Item 4) and 781 (Item 5);
(ii)Schedule 9—
(aa)Part 2: diagrams 602 (Item 2), 778 (Item 4) and 778.1 (Item 5),
(bb)Part 4: diagram 784.1 (Item 4),
(cc)Part 6: diagrams 1002.1 (Item 1), 1022 (Item 2), 1003A (Item 3), 1023A (Item 4), 1013.1 (Item 23) and 1045 (Item 26);
(iii)Schedule 11—
(aa)Part 2: diagrams 963.3 (Item 43), 775 (Item 67), 783 (Item 68), 785.1 (Item 69), 786 (Item 70), 787 (Item 71) and 788 (Item 72),
(bb)Part 4: diagrams 1004 (Item 2), 1012.1 (Item 11) and 1026 (Item 16);
(iv)Schedule 14—
(aa)Part 2: diagrams 3014 (Item 5), 773 (Item 6), 776 and 777 (Item 8), 1001 (Item 46), 790 (Item 67) and 1003.2 (Item 68).
(2) Where, in accordance with these Regulations, a crossing operator causes or permits the placement of a crossing sign referred to in paragraph (1)(b), the provisions of the 2016 Regulations relating to the size, illumination and significance of, and the requirements conveyed by, that sign by virtue of those Regulations apply to that crossing sign as if the relevant road concerned were a road as defined in section 142 of the Road Traffic Regulation Act 1984(1).