UK traffic warning signs

Distance to ‘STOP’ line ahead

Dual carriageway ends

​Road narrows on right (left if symbol reversed)

Road narrows on both sides

Distance to ‘Give Way’ line ahead

Crossroads

Junction on bend ahead

T-junction with priority over vehicles from the right

Staggered junction

Traffic merging from left ahead

Double bend first to left (symbol may be reversed)

Bend to right (or left if symbol reversed)

Roundabout

Uneven road

Plate below some signs

Two-way traffic crosses one-way road

Two-way traffic straight ahead

Opening or swing bridge ahead

Low-flying aircraft or sudden aircraft noise

Falling or fallen rocks

Traffic signals not in use

Traffic signals

Slippery road

Steep hill downwards

Steep hill upwards

Tunnel ahead

Trams crossing ahead

Level crossing with barrier or gate ahead

Level crossing without barrier or gate ahead

Level crossing without barrier

Frail or blind or disabled if shown

Pedestrians in road ahead

People crossing

Overhead electric cable

Available width of headroom indicated

Sharp deviation of route to left

Light signals ahead at level crossing, airfield or bridge

Miniature warning lights at level crossings

Cattle

Wild animals

Wild horses or ponies

​Accompanied horses or ponies

​Cycle route ahead

Risk of ice

Traffic queues likely ahead

Distance over which road humps extend

Other danger, plate indicates nature of danger

Soft verges

Side winds

Hump bridge

Worded warning sign

Quayside or river bank

Risk of grounding