1. Information of a description in column 2 of an item in the sign table in Part 24 must be conveyed on a sign provided for in the sign table in Part 22 by an arrow, symbol or panel (as the case may be) shown in the diagram in column 3 of the sign table in Part 24, or that diagram as varied or supplemented in accordance with column 5.
2. An arrow, symbol or panel may only be placed on an appropriate diagram A sign (this is subject to paragraph 4).
3. For the purposes of this Part, an appropriate diagram A sign is a sign shown in diagram A in column 2 of the sign table in Part 22 for an item of that table, the number of which is specified in column 4 of the sign table in Part 24.
4. The truck symbol provided for at item 13 of the sign table in Part 24 may be placed on a sign shown in diagram B at item 3 of the sign table in Part 22.
5. The symbol or panel shown by the diagram in column 3 of the sign table in Part 24 at item 9, 11, 14 or 15 may only be incorporated in an appropriate diagram A sign which is placed on the main carriageway of a motorway.
6. The arrows, symbols or panels shown on a sign for conveying a description of information in column 2 of an item in the sign table in Part 24 must be of the size, colour and type shown in the diagram in column 3.
7. The sizes in the diagram are stroke widths.