# The Traffic Signs Regulations and General Directions 2016, Paragraph 1

Extent: E+W+S

A warning, information or restriction of a description specified in column 2 of an item in the sign table must be conveyed by a supplementary associated plate which is of the size, colour and type provided for—
(a) in the diagram in column 3 of the item; or
(b) in that diagram varied in accordance with column 4.
Sign table — Schedule 2, Part 3
(1)
Item
(2)
Description
(3)
Diagram
(4)
Variants
1
Diagram 511
Reduction in speed necessary
for a change in road layout
ahead
“REDUCE SPEED NOW” may be varied to “HEAVY PLANT CROSSING” when used in combination with the sign shown in item 1, 2, 3, 4, 9, 10 or 11 of the Part 2 table
2
Diagram 513.2
Maximum speed in mph advised
at a bend or other hazard
The numerals may be varied to the appropriate advised maximum speed
3
Diagram 817.2
Escape lane ahead for vehicles
unable to stop on a steep hill
1. The route symbol may be varied
2. “ahead” may be varied to a distance, varied to an arrow pointing to the left or to the right, or omitted
4
Diagram 513.1A
Risk of lorries overturning on
adverse camber (with bend to
the left) and maximum speed
advised
1. The symbol may be reversed when the bend is to the right
2. The numerals indicating the maximum speed advised may be varied as appropriate
3. The legend “Max speed 20” may be omitted
5
Diagram 545.3
In relation to Wales, road safety image or slogan

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Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/2/part/3/paragraph/1 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-2/part-3/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.