Roundabouts Western Australia

Roundabouts Western Australia

This information has been published as an easy-to-read guide to the WA Road Traffic Act (1974) and Road Traffic Code 2000. It is not intended to be a ‘legal document and for exact statements of the law you should refer to the Act and Code.
A complete version of the Road Traffic Act 1974 and Road Traffic Code 2000 may be obtained by visiting the State Law Publishers web site at: www.slp.wa.gov.au For more road safety information telephone 138 138 or visit www.ors.wa.gov.au

WHY ROUNDABOUTS?

Roundabouts help regulate traffic at intersections. They increase safety by slowing the approach speed of all vehicles, thereby reducing the number and severity of crashes. Pedestrians should cross roads away from roundabouts because traffic flow through roundabouts is usually continuous making it difficult for pedestrians to cross safely.

HOW TO USE ROUNDABOUTS

Roundabouts are easy to use. Simply position your vehicle correctly and indicate where you want to go. The following basic principles apply to all roundabouts.
Keeping left
When driving around roundabouts you must keep left of the central island at all times. If you intend to change lanes in a roundabout then you must signal your intention to do so. However, it is safer to position your vehicle in the correct lane before you enter a roundabout so that you do not have to change lanes.

Giving way

At a roundabout, you must:
• Always travel in a clockwise direction; and
• When entering the roundabout, give way to all vehicles travelling within the roundabout. Remember that large vehicles such as buses and trucks may need more than one lane to enter or leave a roundabout.
Turning left at next exit
At a roundabout you must:
• Approach from the left lane;
• Indicate left;
• Stay in the left lane; and
• Exit in the left lane.
Driving straight through a roundabout
• You do not have to indicate when you are approaching the roundabout;
• Unless road markings or signs say otherwise, approach from either the left or right lane and drive in that lane throughout the roundabout;
• Signal left, if practicable, just after you have passed the last exit before the one you wish to use; and
• Exit in the same lane in which you entered (that is, in the left lane if you entered in the left lane and in the right lane if you entered in the right lane).
Turning right or making a ‘U’ turn
• When turning right or making a ‘U’ turn, approach from the right lane;
• Indicate right before entering the roundabout;
• Stay in the right lane; and
• Signal left, if practicable, just after you have passed the last exit before the one you wish to use.

Signs at roundabouts

Roundabouts are intersections where there is a central island around which vehicles travel in one direction. There is normally a Roundabout Sign at each entrance. Some roundabouts have more than one lane on approach roads and arrows on the road to let you know what direction you must travel through the roundabout. Some also have advance warning signs to warn you the roundabout is ahead. If there are arrows marked on the road surface you must drive in the direction they indicate.

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