This section outlines the correct way to approach and drive at junctions and roundabouts.

Junctions


If you see a 'Stop' sign (shown below), you must stop at the sign or at the stop line on
the road, if provided, even if there is no traffic on the road you would like to enter.

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If you see a 'Yield' sign or yield line (shown below), you must slow down, but you do
not have to stop completely unless you need to wait for any oncoming traffic to pass.

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Section 6 has more information on these and other regulatory signs.

Right of way

Traffic travelling straight ahead in either direction along a major road has right of way at all times.

If you are at a junction where the roads are of equal importance, the traffic on your right has right of way. You must let that traffic pass before moving on. It is important to understand that the right of way is not an absolute right. You must proceed with caution while showing regard for other users of the road.

If you are approaching a T junction, the traffic already on the road you are joining has right of way. This means any traffic on the road ending at the junction must wait for the other traffic to pass before turning left or right.

If you are turning right at a junction, the traffic coming straight through the junction from the opposite direction has right of way. If you plan to turn right at a junction and a vehicle from the opposite direction wants to turn into the same road, the vehicle that is turning left has right of way. If yours is the vehicle turning right, you must wait for the other vehicle to turn first.

If you are approaching a junction with a major road, you must yield to other traffic. This means giving right of way or letting them pass before you enter the road you are joining.

Vehicles do not have an automatic right of way on the road. The overriding rule is, in
circumstances, proceed with caution.

You must always yield to:

To avoid doubt and in the interest of road safety a vehicle should always yield to pedestrians.

You must also yield to:

Stop, look, listen, and look again. This is your duty when entering the roadway.

Motorists should watch for cyclists emerging from the end of a cycle track and mopeds and motorcycles emerging from junctions who might be difficult to see because of their small size.

It is important to understand that the right of way is not an absolute right of way. You must proceed with caution, having regard for other road users. 

Turning right from a major road onto a minor road

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Turning right from a minor road onto a major road

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Turning right at a crossroads

When turning right at a crossroads and a car coming from the opposite direction is
also turning right, if possible you should both try to turn back to back. This allows
you and the other driver to see oncoming traffic and allows the traffic to see you.

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If you cannot do this, you may turn near-side to near-side if necessary. This means
starting the turn while the vehicles are still facing each other.

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Turning right from a one-way street

Drive as close as you safely can to the right-hand side of the one-way street. Look
out for areas where two lanes may be allowed for turning right.

Turning left from a major road to a minor road



Turning left from a major to a major road

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Take care not to swing wide when you turn and always give way to pedestrians and cyclists crossing the junction before you start any turn.

Yellow box junctions

These junctions consist of patterns of criss-cross yellow lines.

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An exception is when you want to turn right. In this case, you may enter the yellow
box junction while waiting for a gap in traffic coming from the opposite direction. However, don't enter the box if to do so would block other traffic that has the right of way.

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Yellow box junctions can also be found at railway level crossings or tramway crossings.
Never enter these yellow box junctions unless you can leave them without stopping. Section 6 has more information on traffic signs and road markings.

Junctions and dual carriageways

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Dual carriageways are roads with two or more lanes of traffic travelling in each direction.
The outer or right-hand lane in each direction is the lane nearest to the centre of the
dual carriageway.

You must normally drive in the left-hand lane of a dual carriageway. You may use the outer lane of a two-lane or three-lane dual carriageway only:


Turning left into a dual carriageway


Crossing a dual carriageway or joining it by turning right


If another vehicle is already blocking the median space, wait on the minor road until
there is enough space to clear the first half of the road without stopping on the carriageway. If the median is too narrow for your vehicle, wait on the minor road until you can clear both sides of the carriageway, or complete your turn in one go.

When driving a large vehicle, it is not safe to treat each half of the dual carriageway as a
separate road. You should remain on the minor road until you can cross both sides of the
dual carriageway without having to stop.

Always take care when you are behind large vehicles or vehicles towing trailers when they
are turning. Remember, a long vehicle or combination needs extra room to finish a turn.
Cyclists, motorcyclists and pedestrians, in particular, should be extra careful when near
these vehicles.

Turning right from a dual carriageway

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Roundabouts


By law, a driver must enter a roundabout by turning to the left. Treat the roundabout as a
junction and give right-of-way to traffic already on it.

Approaching a roundabout


Follow the correct procedure and instructions when approaching and driving on roundabouts.

When you reach the roundabout


On or leaving a roundabout

Unless road signs or road markings indicate otherwise, follow the steps below, when taking the first exit, going straight ahead or taking later exits off a roundabout.

Making a left turn;


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Going straight ahead;

  •  the left-hand lane is only for turning left or is blocked or closed, or
  • when directed by a Garda.

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Taking any later exits;


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When there are more than three lanes at the entrance to a roundabout, use the most
appropriate lane on approach and through it.

Sometimes a roundabout exit with two or more lanes may narrow into one lane over a
short distance. Drivers in the lane which is terminated should yield to traffic in
the other lane.

Drivers should make themselves aware of the road markings and get into the appropriate
lane when safe to do so, remembering to show consideration to other users of the road
and in the interest of road safety, yield when necessary.

In all cases watch out for and give plenty of room to:


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