# The Traffic Signs Regulations and General Directions 2002, Regulation 14: Signs attached to vehicles

Extent: E+W+S

(1) Any sign attached to a vehicle of the description specified in column (2) of an item in the Table and in the position on that vehicle specified in column (3) of the item, when the vehicle is on a road which is subject to a maximum speed limit specified in column (4) of that item, shall be of the size, colour and type shown in a diagram specified in column (5).
Table
(1)
(2)
(3)
(4)
(5)
Item
Description of vehicle
Position on vehicle
Maximum speed limit
Diagrams
1.
Road maintenance vehicle
On the front
30 mph or under
610, 7001, 7001.1
2.
Road maintenance vehicle
On the rear
30 mph or under
610, 7001, 7001.1, 7402, 7403, 7404
3.
Road maintenance vehicle
On the rear
More than 30 mph
7402, 7403, 7404
4.
Road maintenance vehicle immediately ahead of a vehicle displaying the sign shown in diagram 7403
On the rear
More than 30 mph
610, 7402, 7403, 7404
5.
Police vehicle
On the front or the rear
70 mph or under
829.1, 829.2, 829.3, 829.4
(2) The operating requirements for the lamps that form part of the signs shown in diagrams 7402 and 7403 are that—
(a) the lamps shall be illuminated only when the signs are being used in accordance with the Table; and
(b) each lamp shall show an intermittent amber light at a rate of flashing of not less than 60 nor more than 90 flashes per minute, and in such a manner that the lights of one horizontal pair are always shown when the lights of the other horizontal pair are not shown.
(3) A sign attached to the rear of a vehicle used to escort traffic through road works, and indicating that the vehicle should not be overtaken, shall be of the size, colour and type shown in diagram 7029.

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Source: https://www.legislation.gov.uk/uksi/2002/3113/regulation/14 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/regulation-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.