When entering a roundabout, you must give way to

Roundabouts.

Approaching a roundabout.
When you approach a roundabout, you must use your indicator if you intend to turn left or right or make a u-turn at the roundabout. You must give other road users sufficient notice of your intent to turn.

Entering a roundabout.
When entering a roundabout, you must slow or stop to give way to any vehicle already in the roundabout. You must also continue to use your indicators if you intend to turn left or right or make a u-turn.

Turning left.
When turning left, you must indicate left on approach and be travelling in the left-hand lane unless there are road markings with other instructions, stay in the left lane and exit in the left lane.

Turning right.
When turning right, you must indicate right on approach and be travelling in the right-hand lane, unless there are road markings with other instructions.

Making a u-turn.
When using a roundabout to make a u-turn, you must approach in the right lane and signal right.

Changing lanes in a roundabout.
Drivers may change lanes in a roundabout if they wish, the usual road rules for changing lanes apply. You must use your indicator and give way to any vehicle in the lane you are entering.

Going straight ahead.
You don't need to signal when approaching the roundabout if you are going straight ahead. You may approach the roundabout from either the left or right lane, unless there are road markings with other instructions.

Exiting a roundabout.
As when you exit a road, you must signal left when leaving a roundabout, if it is practical to do so, and you should stop indicating as soon as you have exited the roundabout. However, when you are travelling straight ahead on a small single-lane roundabout, it may be impractical to indicate when exiting.

There are thousands of roundabouts across Australia and frequent drivers would probably meet one every day. But, as common as they are, roundabout road rules are often misunderstood. Motorists should know what a roundabout is, what they’re for and the road rules that govern their use. So have a read of the below to refresh your understanding.

Roundabouts manage the traffic flow at intersections. They move traffic in one direction around a central island. Vehicles can turn left or right, go straight ahead, or make a full turn (U-turn). Part 9 of the Road Rules 2014 details the legislation that covers roundabouts. Reg 114 explains how to give way when entering or driving in a roundabout, and reg 118 outlines indicating when leaving a roundabout. The road rules do not change depending on the size of the roundabout.

The basic rules to remember

• The roundabout sign means Slow Down, prepare to Give Way and if necessary stop to avoid a collision.

  

• When approaching a roundabout, you must get into the correct lane, indicate if turning, and give way to traffic already on the roundabout.

• Enter the roundabout when there is a safe gap in the traffic.

• If you need to change lanes, you must indicate and give way to any vehicle in the lane you’re moving into. You can only change lanes where there’s a broken white line. You must not change lanes if the line is unbroken.

• When exiting a roundabout, whether you are turning left, right or straight ahead, you must always indicate a left turn just before you exit, if practicable.

• Look out for bicycles on a roundabout. They are entitled to use a full lane. Bicycle riders must follow the same rules as other drivers on roundabouts. However, on a multi-lane roundabout, they can use the left lane to turn right. When turning, they must give way to vehicles leaving the roundabout. Look out for bicycles stopped in the left lane who are giving way to vehicles leaving the roundabout.

Giving way when entering or driving in a roundabout

• A driver entering a roundabout must give way to:

  (a) any vehicle in the roundabout, and

  (b) a tram that is entering or approaching the roundabout.

For this rule, give way means the driver must slow down and, if necessary, stop to avoid a collision. There is no specific legislation stating one must give way to the other if entering the roundabout at the same time, only that you must give way to any vehicle already in the roundabout.

However, common sense must prevail. As the rule states, a driver must slow down enough to be able to stop to avoid a collision if necessary. Many drivers enter and approach roundabouts too fast and if there was a collision and it was a result of them not slowing to be able to avoid a collision, then they may face penalties from the authorities.

Roundabout risks to watch for:

• Take extra care whenever you drive in a roundabout.

• Keep an eye out for cars that are leaving the roundabout.

• Be careful if changing lanes in a roundabout, particularly when leaving.

• Look out for vehicles that are making a full turn.

• Watch for pedestrians, bicycles, long vehicles and motorcycles.

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