# The Traffic Signs Regulations and General Directions 2016, Part 20: Warning and regulatory symbols that may be incorporated on directional signs

Extent: E+W+S

Sign table — Schedule 12, Part 20
(1)
Item
(2)
Description
(3)
Symbol
(4)
Variants
1
Warning of a steep hill downwards
The numerals may be varied
2
Warning of a steep hill upwards
The numerals may be varied
3
Warning of a hump bridge
4
Warning of an opening or swing bridge
5
Warning of a tunnel
6
Maximum headroom available at hazard
(Metric and imperial units)
The numerals may be varied
7
Warning of a zebra crossing
8
Warning of a cattle grid
9
Worded warning symbol
(Gate)
10
Worded warning symbol
(Gates)
11
Worded warning symbol
(Ford)
12
Warning of a water course alongside road
The symbol may be reversed
13
Warning of a road hump or series of road humps
14
Warning of a level crossing with gate or barrier
15
Warning of a railway level crossing without gate or barrier
16
Warning of tramcars crossing
17
Warning of an electrified overhead cable
18
Warning of a crossing for cycles and electric scooters being used in a trial
The symbol may be reversed
19
No right turn at all times
The symbol may be reversed
20
No U-turn at all times (only for use on the signs provided for at items 5 and 6 of the sign table in Part 28)
21
No entry for vehicular traffic
22
All vehicles prohibited except non-mechanically propelled vehicles pushed by pedestrians
1. The distance may be varied
2. The distance may be omitted
3. “No vehicles” may be on two lines
4. “No vehicles” may be varied to “Play Street” with or without a time period and “except for access”
5. When “No vehicles” is shown a time period may be added
6. When “No vehicles” is shown, with or without a time period, the legend may include exceptions in accordance with paragraph 15 in Part 3 of Schedule 3
7. The black border of the rectangular plate symbol may be omitted when the plate is placed on a blue, dark green or brown background part of the sign
23
Motor vehicles prohibited , except for electric scooters being used in a trial
The motor cycle symbol may be reversed
24
Goods vehicles exceeding the maximum gross weight indicated prohibited
(Alternative types)
The numerals may be varied
25
Vehicles exceeding the maximum gross weight indicated prohibited (Structural weight limit)
“18t” may be varied to “3t”, “7.5t”, “10t”, “13t”, “26t” or “33t”
26
Vehicles carrying explosives prohibited
27
Vehicles carrying dangerous goods with the classification code indicated by the sign prohibited from proceeding through a tunnel ahead
1. The classification letter “B” may be varied to “C”, “D” or “E”
2. The black border of the rectangular plate may be omitted when the plate is placed on a dark background
28
Buses prohibited
(Alternative types)
29
Motor vehicles except solo motor cycles prohibited
30
Towed caravans prohibited
The symbol may be reversed
31
Solo motor cycles prohibited , except for electric scooters being used in a trial
The symbol may be reversed
32
Horse-drawn vehicles prohibited
The symbol may be reversed
33
Vehicles or combinations of vehicles exceeding the length indicated prohibited
(Imperial and metric units)
1. The numerals may be varied
2. The two lorry symbols may be reversed
34
Vehicles exceeding width indicated prohibited
(Metric and imperial units)
The numerals may be varied
35
Vehicles exceeding height indicated prohibited
(Metric and imperial units)
The numerals may be varied
36
Route for use by buses, pedal cycles , electric scooters being used in a trial and taxis only
(Alternative types)
The cycle symbol, the word “taxi” or both may be omitted
37
Route for use by buses, pedal cycles and solo motor cycles only
(Alternative types)
38
Route for use by buses, pedal cycles, solo motor cycles and taxis only
(Alternative types)
39
Route for use by tramcars only
40
Route for use by tramcars and buses only
(Alternative types)
41
Route for use by tramcars, buses , electric scooters being used in a trial and pedal cycles only
(Alternative types)
42
Route for use by tramcars, buses, pedal cycles , electric scooters being used in a trial and taxis only
(Alternative types)
43
Route for use by tramcars, buses, pedal cycles, solo motor cycles and taxis only
(Alternative types)
The word “taxi” may be omitted
44
Optional symbol representing a supplementary plate for use with symbols at items 1 to 43, indicating the distance to a hazard or prohibition
1. The distance may be varied
2. The black border must be omitted when the symbol is placed on a blue, dark green or brown background part of the sign.
45
Optional symbol representing a supplementary plate for use with circular symbols from this table (except items 22, 25, 27 and 35) , indicating conditions relating to a prohibition
1. The legend may be varied in accordance with paragraphs 8 and 15, or a combination of both, in Part 3 of Schedule 3
2. The legend may be varied to “Except trams” when the symbol is used in combination with the symbol shown by the diagram at item 21
3. The legend may be varied to “No explosives” or “No inflammables or explosives” when the symbol is used in combination with the symbol at item 26
4. The legend may be varied to “and authorised vehicles” when the symbol is used in combination with a symbol at items 36 to 43
5. The black border may be omitted when the symbol is placed on a blue, dark green or brown background part of the sign
46
Low Emission Zone

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Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/12/part/20 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-12/part-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.