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Warning signs   (Leave your mouse pointer over a sign to view it's meaning)
 
Distance to 'STOP' line ahead Crossroads Junction on bend ahead T-junction Staggered junction
 
Distance to 'Give Way' line ahead Sharp deviation of route to left (or right if chevrons reversed) Double bend first to left (symbol may be reversed) Bend to right (or left if symbol reversed) Roundabout
 
Uneven road Plate below some signs Dual carriage-way ends Road narrows on right (left if symbol reversed) Road narrows on both sides
 
Two-way traffic crosses one-way road Two-way traffic straight ahead Traffic signals Traffic signals not in use Slippery road
 
Steep hill downwards. Gradients may be shown as a ratio Steep hill upwards. Gradients may be shown as a ratio School crossing patrol ahead (some signs have amber lights which flash when children are crossing) Frail (or blind or disabled if shown) pedestrians likely to cross road ahead Pedestrians in road ahead
 
Pedestrian crossing Traffic queues likely ahead Cycle route ahead Side winds Hump bridge
 
Worded warning sign Risk of ice Light signals ahead at level crossing, airfield or bridge Level crossing with barrier or gate ahead Level crossing without barrier or gate ahead
 
Level crossing without barrier Trams crossing ahead Cattle Wild animals Wild horses or ponies
 
Accompanied horses or ponies Quayside or river bank Opening or swing bridge ahead Low-flying aircraft or sudden aircraft noise Falling or fallen rocks
 
Available width of headroom indicated Overhead electric cable; plate indicates maximum height of vehicles which can pass safely Tunnel ahead Distance over which road humps extend
 
Other danger; plate indicates nature of danger Soft verges Risk of grounding