The Traffic Signs Regulations and General Directions 2016

PART 20 Warning and regulatory symbols that may be incorporated on directional signs

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 cycle crossing		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		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		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 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 and pedal cycles only (Alternative types)
42	Route for use by tramcars, buses, pedal cycles 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 23, 37 and 38), 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 22 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 27 4. The legend may be varied to “and authorised vehicles” when the symbol is used in combination with a symbol at items 39 to 46 5. The black border may be omitted when the symbol is placed on a blue, dark green or brown background part of the sign