Warning signs

Triangular signs with a red border that tell you what is coming up on the road ahead. These are the warning signs you need to recognise for the DVSA theory test and for safe driving afterwards.

Every warnings sign in this category

Crossroads ahead

This warning sign alerts drivers to an upcoming four-way junction.

Roundabout ahead

This warning sign alerts drivers to an upcoming roundabout junction.

Side winds

Warns drivers of severe crosswinds that can destabilise vehicles, particularly high-sided or light transport.

Road works ahead

Warns drivers of maintenance work, temporary obstacles, and workers on or near the carriageway ahead.

Temporary traffic lights ahead

Warns drivers that portable or temporary traffic signals control road movement ahead.

Road narrows on both sides

This sign warns that the width of the road decreases symmetrically ahead from both directions.

Bend to the left

This warning sign alerts drivers to an upcoming sharp or significant curve to the left.

Bend to the right

This triangular sign warns drivers of a sharp or significant bend to the right ahead.

Double bend first to the left

This warning sign alerts drivers to a sequence of bends starting with a left turn.

Double bend first to the right

This sign warns drivers of a series of double bends beginning with a curve to the right.

Junction on a bend ahead

This warning sign warns that a side road joins the main road directly on an upcoming curve.

Steep hill downwards

This warning sign alerts drivers to a steep downhill gradient ahead, requiring lower gear selection.

Steep hill upwards

This warning sign alerts motorists to an upcoming steep climb that may slow heavy vehicles.

Road narrows on the right

This warning sign indicates that the right-hand edge or lane of the road narrows ahead.

Road narrows on the left

This sign warns that the left edge of the carriageway narrows inward ahead.

Traffic merges from the left ahead

This warning sign alerts drivers that joining traffic will merge into the main carriageway from the left.

Junction on a bend to the left

This warning sign alerts drivers that a side road joins on a curve bending to the left.

Junction on a bend to the right

This warning sign alerts drivers that a side road joins the carriageway on a right-hand curve.

T-junction

This warning sign alerts drivers that the road ends at a T-junction ahead, requiring a turn.

Staggered junction

This warning sign alerts drivers to upcoming offset side roads where traffic turns across the main road.

Traffic signals ahead

This warning sign alerts drivers that traffic light signals are situated ahead on the road.

Level crossing ahead

This warning sign alerts drivers to a railway crossing ahead on the road.

Side road ahead on the left

This sign warns drivers that a side road joins the main carriageway from the left ahead.

Side road ahead on the right

This warning sign alerts drivers to a side junction entering from the right side of the road.

Slippery road ahead

This sign warns drivers that the road surface ahead may have reduced tyre grip and slippery conditions.

Pedestrian crossing ahead

This warning sign alerts drivers that a pedestrian crossing is located ahead.

School crossing patrol ahead

This sign warns drivers that children may be crossing the road, often near schools.

Cyclists ahead

This warning sign alerts drivers to the likelihood of pedal cyclists on or crossing the road ahead.

Wild animals likely

This warning sign alerts drivers to the hazard of wild animals on or crossing the road ahead.

Uneven road

This warning sign alerts drivers that the carriageway surface ahead is bumpy or uneven.

Hump bridge ahead

This warning sign alerts drivers to a steep arched humpback bridge on the road ahead.

Tunnel ahead

This sign warns drivers that they are approaching an enclosed road tunnel ahead.

Low-flying aircraft

This warning sign alerts drivers to low-flying aircraft that may cause sudden noise or distraction.

Junction ahead with priority over you

Warns drivers that an upcoming junction requires giving way to crossing traffic.

Opening or swing bridge ahead

Warns drivers of an opening or swing bridge ahead that may temporarily halt road traffic.

Quayside or river bank

Warns drivers that the road leads onto or alongside an unprotected quayside or river bank.

Falling or fallen rocks

Warns drivers that rocks may fall onto the road or lie scattered on the carriageway ahead.

Overhead electric cables

Warns drivers of high-voltage overhead power cables and safe clearance heights ahead.

Risk of ice

Warns drivers that low temperatures or road conditions create a severe risk of ice or packed snow.

Fog

Warns drivers that areas ahead are frequently affected by dense bank fog or poor visibility.

Accident

Warns drivers that a traffic incident has occurred ahead, requiring immediate caution and speed reduction.

Queues likely

Warns drivers that stationary or slow-moving traffic queues are common on the road ahead.

Other danger ahead

Warns drivers of a hazard ahead for which there is no specific standard warning sign symbol.

Frail pedestrians likely to cross

Warns drivers that vulnerable or slower-moving pedestrians are likely to cross the road ahead.

Disabled pedestrians

Warns drivers that pedestrians with physical or mobility impairments are likely to cross the road ahead.

Elderly pedestrians likely to cross

Warns drivers of elderly pedestrians likely to cross the road ahead.

Horse riders likely to be on road ahead

Warns drivers that equestrians and horse-drawn vehicles may be using or crossing the road ahead.

Agricultural vehicles

Warns drivers that slow-moving tractors and farm machinery are likely to be operating on the road ahead.

Soft verges

Warns drivers that the unpaved road shoulder is soft and unsuited for heavy vehicle wheels.

Ford

Warns drivers that a shallow water crossing runs across the road ahead.