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Triangular Road Signs

Theory Test > All Road Signs > Triangular
Sign Title Category Colour (Background) Colour (Foreground)
Low flying aircraft or sudden aircraft noise likely ahead Warning signs White Red
Low flying helicopters or sudden helicopter noise likely ahead Warning signs White Red
Maximum headroom of 14′-6” at hazard ahead Low bridge signs White Red
Maximum headroom of 3.8m at arch bridge ahead Low bridge signs White Red
Maximum headroom of 4.4m at hazard ahead Low bridge signs White Red
Road narrows on both sides ahead Traffic calming, Warning signs White Red
Road narrows on left ahead Traffic calming, Warning signs White Red
Road narrows on right ahead Traffic calming, Warning signs White Red
No smoking warning Warning signs White Red
Electrified overhead cable ahead Level crossing signs White Red
Pedestrians in road ahead Warning signs White Red
Quayside or river bank ahead Warning signs White Red
Traffic queues likely on road ahead Warning signs White Red
Junction on right bend ahead Warning signs White Red
Risk of grounding at a railway or tramway level crossing or hump backed bridge Level crossing signs White Red