Road rules in NT
It is important to stay in the correct lane at multi-lane roundabouts – follow signs, lane markings and arrows.
Unless traffic lane arrows indicate otherwise, remember these rules:
- to turn left, use the left lane and signal left
- to turn right, use the right lane and signal right
- to go straight ahead, use either the left or right lane
- you must give way to any vehicle already in the roundabout.
Going straight ahead
Do not signal when approaching the roundabout.
You may approach the roundabout from either left or right lanes - unless there are road markings with other instructions - drive in the same lane through the roundabout and exit in the same lane.
Making a U-turn
When you use the roundabout to make a U-turn you must approach in the right lane, signal right, stay in the right lane and exit into the right lane.
Exiting a roundabout
You must signal left when leaving the roundabout.
This diagram shows cars entering and exiting a four-lane roundabout.
Roundabouts and bicycle riders
Bicycle riders are allowed to turn right from the left hand lane.
When passing each exit, the rider must give way to any vehicle leaving the roundabout from that exit.
The rules for slowing down, giving way and signalling when approaching and exiting at roundabouts are the same for single lane and multi-lane roundabouts.
Last updated: 16 March 2015
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