Irish Road Signs and Their Meanings
Learn every road sign that appears on the Irish driving theory test, with clear meanings and explanations. Updated for 2026.

1

100 metres to the next exit.

3

A child could turn back to collect the ball from the roadway.

A dangerous right-hand bend ahead.

A driver may not cross the lines to overtake.

A driver may overtake if it is safe to do so.

A driver may proceed with caution.

A driver must drive on the left-hand side.

A driver must not cross the broken white line unless it is safe to do so.

A longer braking distance is required.

Accompanied horses and ponies ahead.

All traffic must keep to the left of the white line.

Allow the cyclist heading straight on to pass.

Allow the pedestrian to cross the road.

Allow the red car to proceed.

Automatic level crossing ahead.

Be prepared for the boy setting off at any moment.

Because there is an increased danger of skidding.

Because wheel-spray may impair visibility.

Beware of children crossing.

Bus and cycle lane ahead on right.

By crossing the broken white line.

Children may unexpectedly run out from between parked cars.

Clearway - no stopping or parking during the times shown.

Coin basket in this lane.

Continuous white lines ahead.

Contra-flow bus lane on the right.

Crossroads ahead with roads of equal importance.

Crossroads with dual carriageway ahead.

Crossroads with major road ahead.

Crosswinds ahead.

Crosswinds may blow the rider into their path.

Danger of falling rocks ahead.

Dangerous bend ahead.

Dangerous corner ahead.

Deer or wild animals ahead.

Designated rank for taxis.

Directional indicator on.

Disc parking operates during the time shown.

Drivers must keep left of the continuous white line.

Dual carriageway ends.

Electronic toll accepted in any lane.

End of central reserve or obstruction.

End of detour.

End of motorway.

Engine revolution.

Entry to motorway.

Flagman ahead.

It may be difficult to make out poorly lit vehicles in the dark areas.

Junction ahead with roads of lesser importance.

Keep left.

Keep right.

Level crossing ahead guarded by gates or barriers.

Level crossing ahead protected by lights and barriers.

Level crossing ahead unguarded by gates or barriers.

Look to the left-hand edge (nearside) of the roadway and slow down if necessary.

Loose chippings on road.

Loose chippings on road.

Low bridge up ahead.

Low engine oil level.

Maximum permitted weight is 3 tonnes.

Maximum speed is 100 km/h.

Maximum speed is 120 km/h.

Maximum speed is 30 km/h.

Maximum speed is 50 km/h.

Maximum speed is 60 km/h.

Maximum speed is 80 km/h.

Mini-roundabout ahead.

Motorway ends 500 metres ahead.

Nearside lane of three closed.

Nearside lane of two closed.

No entry ahead.

No entry.

No left turn.

No overtaking.

No parking in this area.

No right turn.

No right turn.

No U-turn allowed.

Offside lane closed ahead.

Only buses, cyclists and taxis are allowed to use the lane ahead during the hours indicated.

Overhead electric cables.

Parking is not allowed.

Parking not allowed at the times and days shown.

Parking not allowed at the times shown.

Parking of vehicles exceeding the weight shown is not allowed.

Parking permitted during the times shown.

Pass either side.

Pedestrianised street ahead - traffic not allowed except during times shown.

Pedestrians crossing between the vehicles.

Pedestrians crossing in a dark area might be difficult to see.

Pedestrians may cross between parked cars.

People crossing the street at the rear of the bus.

Possibility of cattle or farm animals ahead.

Possibility of low flying aircraft.

Possibility of sheep ahead.

Proceed straight ahead or turn left.

Proceed with caution.

Reduce speed and be prepared to stop as other children could follow.

Reduce speed and prepare to stop if necessary.

Reduce speed and remain ready to brake since the girl on the footpath could suddenly cross the road.

Reduce speed and stop if necessary.

Reduce speed as possible hazards ahead.

Reduce speed considerably and be ready to stop.

Reduce speed, drive cautiously and remain ready to brake.

Road divides ahead.

Road narrows from left.

Road narrows from right.

Road narrows on both sides.

Road narrows on both sides.

Road narrows on the left.

Roadworks ahead.

Roundabout ahead.

School ahead.

School children crossing ahead.

Series of bumps or hollows ahead.

Series of dangerous bends ahead.

Series of dangerous corners ahead.

Sharp change of direction to the right.

Sharp depression or dip ahead.

Sharp rise in the road ahead - for example, a humpback bridge.

Slippery road ahead.

Slowing down and being prepared to react.

Staggered crossroads ahead with roads of equal importance.

Start of central reserve or obstruction.

Start of cycle track.

Steep ascent ahead.

Steep descent ahead.

Stop at the line unless it is not safe to do so.

Stop at the line.

Stop at the sign.

Stop before or at the sign.

Stop if approaching from behind.

Stop if approaching from either the front or behind.

Stop if approaching from the front.

Stop, unless it is unsafe to do so.

T-junction ahead with a road of major importance.

T-junction ahead with roads of equal importance.

T-junction with dual carriageway ahead.

Temporary traffic signals ahead.

The battery is not charging.

The cyclist intends to go straight on.

The cyclist intends to move out or turn right.

The cyclist intends to slow down or stop.

The cyclist intends to turn left.

The cyclist intends to turn left.

The cyclist intends to turn right.

The cyclist may move onto the roadway without paying attention to moving traffic.

The driver behind the stopped van should wait.

The driver following the motorcycle may need a longer braking distance than normal.

The driver in the red car should wait.

The driver intends to move out or turn right.

The driver intends to proceed straight ahead.

The driver intends to slow down or stop.

The driver intends to turn left.

The driver intends to turn left.

The driver intends to turn right.

The driver may continue ahead with caution.

The driver may proceed in the direction of the green arrow if the way is clear.

The driver may turn in front of the other two cars.

The driver may turn right.

The driver must stop their vehicle.

The driver must stop when red lights show.

The driver must wait.

The driver must yield to the yellow car on the roundabout.

The driver should allow the yellow car to proceed.

The driver’s field of view is not good enough to allow safe overtaking.

The edge of the carriageway or hard shoulder.

The Garda is beckoning on traffic approaching from either side.

The high-beam headlights are switched on.

The pedestrian may leave the traffic island without paying attention.

The pedestrian may suddenly cross the road in front of the vehicle.

The road surface is uneven and road grip varies.

There may be a car hidden from view in front of the bus.

Three hundred meters to the next exit.

Toll collector operating lane.

Traffic approaching from the front may proceed.

Traffic lights may be difficult to distinguish from the other bright lights.

Traffic may proceed if the way is clear.

Traffic merging from the left.

Traffic merging/diverging ahead.

Traffic must not enter unless they can clear the box junction without stopping, or when turning right.

Traffic must stop at the traffic light.

Traffic must stop at the traffic light.

Traffic queues likely ahead.

Traffic should cross back to the left-hand lane ahead.

Traffic should cross out to the right-hand lane ahead.

Traffic signals ahead.

Traffic turning left may proceed if the way is clear.

Tram lane on left.

Tram lane on right.

Tramway crossing ahead.

Tunnel ahead.

Turn left ahead.

Turn left only.

Turn right only.

Two-way traffic ahead.

Two-way traffic.

U-turn not permitted.

Uneven surface.

Unprotected quay, canal or river ahead.

Wait and allow the oncoming vehicle to pass.

With-flow bus and cycle lane ahead on left.

With-flow bus and cycle lane on left.

With-flow bus lane on the right.

Y-junction ahead with roads of equal importance.

Y-junction ahead with roads of equal importance.

Y-junction where main road bears to the left.

Yield to pedestrians already crossing.

Yield to traffic coming from the right, or already on the roundabout.

Yield to traffic on the major road.

You must turn right ahead.

Zebra crossing.
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