UK Road Signs
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Warning Signs
Triangular, red border
Alert you to hazards ahead — bends, junctions, schools, slippery roads.
Crossroads ahead
T-junction ahead
Roundabout ahead
Bend to the right
Double bend (first to the left)
Road narrows on both sides
Steep hill downwards
Hump bridge
Traffic signals ahead
Pedestrians in road ahead
School crossing patrol ahead
Uneven road
Slippery road
Falling or fallen rocks
Queues likely
Regulatory & Prohibitory Signs
Circular, red border or red fill
Tell you what you must NOT do — no entry, no overtaking, no waiting.
Stop and give way
Give way
No entry for vehicular traffic
No motor vehicles
No overtaking
No waiting
No stopping (clearway)
No U-turns
Mandatory Signs
Circular, blue background
Tell you what you MUST do — turn left, keep right, mini-roundabout.
Keep left
Pass either side
Mini-roundabout (give way)
Turn left ahead
Turn right ahead
Ahead only
Speed Limit Signs
Circular, red border, white background
Maximum, minimum and national speed limits, plus end-of-restriction signs.
30 mph speed limit
50 mph speed limit
National speed limit applies
Minimum speed
End of minimum speed
Junction & Roundabout Signs
Mostly triangular warning signs
T-junctions, crossroads, roundabouts, give way and stop.
Staggered junction
Side road on left
Give way ahead
Stop sign ahead
Road Hazard Signs
Triangular warnings
Bends, narrow roads, uneven surfaces, hump bridges, slippery roads, falling rocks.
Tunnel ahead
Level crossing without barrier
Trams crossing ahead
Pedestrian, Cyclist & Animal Signs
Triangular warnings & blue circles
Pedestrian crossings, school children, cyclists, horse riders, wild animals.
Zebra crossing
Cycle route ahead
Cycle lane only
Accompanied horses or ponies
Wild animals
Cattle
Width, Height & Weight Restrictions
Circular, red border
No vehicles over a stated width, height or weight.
Width limit
Height limit (imperial)
Weight limit
Low bridge ahead
Information Signs
Rectangular, blue or white
Parking, hospitals, one-way streets, bus lanes, cycle lanes.
Hospital with A&E
Parking
No through road
One-way traffic
Direction Signs
Rectangular — green, blue or white
Primary routes, motorways, local destinations and tourist attractions.
Primary route (green)
Tourist attraction
Diversion route
Motorway & Smart Motorway Signs
Blue rectangular & gantry signs
Start/end of motorway, hard shoulder, variable speed limits, countdown markers.
Start of motorway
End of motorway
Countdown marker — 300 yards
Hard shoulder for use as a lane
Parking & Loading Signs
Blue rectangular
Parking bays, permit zones, clearways and loading restrictions.
Permit holders only
No loading at any time
Disabled parking bay
Zone & Lane Signs
Rectangular zone entry/exit signs
Bus lanes, cycle lanes, pedestrian and environmental zones, controlled parking.
Bus lane
Pedestrian zone entry
Controlled parking zone
Roadworks & Temporary Signs
Rectangular, yellow background
Lane closures, diversions, temporary speed limits and emergency reroutes.
Roadworks ahead
Lane closed ahead
Road closed ahead
Temporary maximum speed
Road Markings & Signals
Painted markings & signal aspects
Yellow box junctions, white lines, chevrons, traffic lights and officer signals.
Traffic light signals
Yellow box junction
Double white lines
Chevron markings