1. The warning or information of a description in column 2 of an item in the Part 4 sign table must be conveyed by road markings that are—
(a)of the colour and type; and
(b)comply with the requirements as to size,
shown in the diagram in the same column of the item, or that diagram as varied in accordance with column 3 (by reference to paragraphs in Part 5).
2. A provision of Part 6 mentioned (by reference to paragraph number) in column 4 of an item in the Part 4 sign table applies to the marking provided for at that item.
3. A reference to a “longitudinal marking” is to a marking placed on the carriageway of a road longitudinally to the flow of traffic.