Warning signs

Mostly triangular

Distance to ‘STOP’ line ahead

Distance to ‘STOP’ line ahead

Dual carriageway ends

Dual carriageway ends

Road narrows on right (left if symbol reversed)

Road narrows on right (left if symbol reversed)

Road narrows on both sides

Road narrows on both sides

Distance to ‘Give Way’ line ahead

Distance to ‘Give Way’ line ahead

Crossroads

Crossroads

Junction on bend ahead

Junction on bend ahead

T-junction with priority over vehicles from the right

T-junction with priority over vehicles from the right

Staggered junction

Staggered junction

Traffic merging from left ahead

Traffic merging from left ahead

The priority through route is indicated by the broader line.

Double bend first to left (symbol may be reversed)

Double bend first to left (symbol may be reversed)

Bend to right (or left if symbol reversed)

Bend to right (or left if symbol reversed)

Roundabout

Roundabout

Uneven road

Uneven road

Plate below some signs

Plate below some signs

Two-way traffic crosses one-way road

Two-way traffic crosses one-way road

Two-way traffic straight ahead

Two-way traffic straight ahead

Opening or swing bridge ahead

Opening or swing bridge ahead

Low-flying aircraft or sudden aircraft noise

Low-flying aircraft or sudden aircraft noise

Falling or fallen rocks

Falling or fallen rocks

Traffic signals not in use

Traffic signals not in use

Traffic signals

Traffic signals

Slippery road

Slippery road

Steep hill downwards

Steep hill downwards

Steep hill upwards

Steep hill upwards

Gradients may be shown as a ratio i.e. 20% = 1:5

Tunnel ahead

Tunnel ahead

Trams crossing ahead

Trams crossing ahead

Level crossing with barrier or gate ahead

Level crossing with barrier or gate ahead

Level crossing without barrier or gate ahead

Level crossing without barrier or gate ahead

Level crossing without barrier

Level crossing without barrier

School crossing patrol ahead (some signs have amber lights which flash when crossings are in use)

School crossing patrol ahead (some signs have amber lights which flash when crossings are in use)

Frail (or blind or disabled if shown) pedestrians likely to cross road ahead

Frail (or blind or disabled if shown) pedestrians likely to cross road ahead

Pedestrians in road ahead

Pedestrians in road ahead

Zebra crossing

Zebra crossing

Overhead electric cable; plate indicates maximum height of vehicles which can pass safely

Overhead electric cable; plate indicates maximum height of vehicles which can pass safely

Available width of headroom indicated

Available width of headroom indicated

Sharp deviation of route to left (or right if chevrons reversed)

Sharp deviation of route to left (or right if chevrons reversed)

Light signals ahead at level crossing, airfield or bridge

Light signals ahead at level crossing, airfield or bridge

Miniature warning lights at level crossings

Miniature warning lights at level crossings

Cattle

Cattle

Wild animals

Wild animals

Wild horses or ponies

Wild horses or ponies

Accompanied horses or ponies

Accompanied horses or ponies

Cycle route ahead

Cycle route ahead

Risk of ice

Risk of ice

Traffic queues likely ahead

Traffic queues likely ahead

Distance over which road humps extend

Distance over which road humps extend

Other danger; plate indicates nature of danger

Other danger; plate indicates nature of danger

Soft verges

Soft verges

Side winds

Side winds

Hump bridge

Hump bridge

Worded warning sign

Worded warning sign

Quayside or river bank

Quayside or river bank

Risk of grounding

Risk of grounding

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