Rules of the Road
Roundabouts: The Complete Guide for Learner Drivers
How to approach, navigate, and exit every type of UK roundabout — the priority rule, signalling, lane discipline, mini roundabouts, spiral roundabouts, and the mistakes that catch learners out.
7 min read
Roundabouts are one of the most common sources of anxiety for learner drivers, and also one of the most common sources of faults on the driving test. The good news is that they follow one simple rule — once you understand it and apply it consistently, every roundabout becomes straightforward.
The one rule that governs every roundabout: give way to traffic already on the roundabout, coming from your right. Everything else — signalling, lane choice, speed — follows from this.
Roundabout layout
Traffic flows clockwise around the central island. Entering from the bottom, the first exit is left, second is straight on, third is right.
How Roundabouts Work
Traffic on a UK roundabout flows clockwise around the central island. Each entrance has a give-way line — the dashed white line you stop at if traffic is already coming. You only enter when there is a safe gap in traffic coming from your right.
Unlike junctions where lights or signs control priority, roundabouts are self-regulating. No one has an absolute right of way — you yield to whoever is already on it. If it is clear when you arrive, you go straight in without stopping.
The approach routine: MSPSL
Mirror–signal–position–speed–look. Check your mirrors, signal if required, position in the correct lane, reduce speed as you approach the give-way line, and look right for a gap before committing.
Taking the First Exit — Turning Left
Signal left on approach · stay left · exit
Amber badge = signal left on approach. Green path = route around the island.
The first exit means turning left — you barely travel around the island at all.
What to do
- ✓Signal left as you approach — before the give-way line
- ✓Position in the left lane, or the left side of the road if single lane
- ✓Give way to traffic from the right, then enter when clear
- ✓Keep signalling left throughout and take your exit
Common faults
- ✕Swinging wide into the right lane on approach
- ✕Forgetting to signal left before the give-way line
- ✕Misjudging the first exit position and taking a wrong turn
Going Straight Ahead
No signal on approach · signal left after the first exit
No signal on approach. The amber badge appears on the W road — signal left as you pass the first exit.
Going straight on is usually the second exit. Do not signal on approach — signalling right when going straight causes confusion. Instead, signal left as you pass the exit before yours.
What to do
- ✓No signal on approach for straight on
- ✓Stay in the left lane unless road markings say otherwise
- ✓Give way to traffic from the right, then enter when clear
- ✓Signal left as you pass the exit before the one you want
- ✓Check your left mirror before moving left to exit
Common faults
- ✕Signalling right on approach when going straight on — this misleads other drivers
- ✕Forgetting to signal left before the exit
- ✕Not checking the left mirror before moving to exit
Counting exits
The road you came from is not an exit — it is your entry point. Start counting from the first road on your left once you are on the roundabout. “Second exit” means the second road you could leave by.
Turning Right — Third Exit or Beyond
Signal right on approach · use right lane · signal left before exiting
Signal right on approach (lower badge). Path travels around the whole island via W and N. Signal left just before the E exit (upper badge) and check your left mirror.
Taking a right exit means travelling further around the island. Signal right on approach and, where lanes exist, position on the right. Switch to a left signal just before your exit and check the left mirror before moving across.
What to do
- ✓Signal right on approach
- ✓Move into the right lane if there are multiple lanes
- ✓Stay in the right lane around the inside of the roundabout
- ✓As you pass the exit before yours, cancel the right signal and signal left
- ✓Check the left mirror — traffic may be alongside you in the left lane
- ✓Move to the left and exit when it is safe
Common faults
- ✕Failing to check the left mirror before moving across to exit
- ✕Cutting across a vehicle in the left lane that is also exiting
- ✕Forgetting to switch signal from right to left before the exit
The left mirror check before exiting a right turn is one of the most frequently missed steps. A vehicle in the left lane may have priority for that exit. Always check before you move across.
Mini Roundabouts
Same rules · smaller space · drive over the dome if needed
Mini roundabouts follow exactly the same priority rule — give way to traffic from the right. The central dome is small enough to drive over. If turning right on a tight mini roundabout, you may need to cross the painted circle rather than trying to steer tightly around it. This is expected and legal.
Key points
- ✓Same give-way rule: yield to traffic from the right
- ✓You can drive over the central dome — it is designed for this
- ✓Approach slowly — there is very little space to manoeuvre
- ✓Apply the same signalling rules as a standard roundabout
Watch out for
- ✕Treating it like a crossroads and going straight through without giving way
- ✕Approaching too fast — the limited space means mistakes happen quickly
- ✕Where two vehicles arrive simultaneously, the one on the left must give way to the one on the right
Multi-Lane and Spiral Roundabouts
Follow the lane markings · do not change lane on the roundabout
Larger roundabouts have multiple lanes, and spiral roundabouts use curved markings that guide you to the correct exit without needing to change lanes. The key is choosing the right lane on approach — once on the roundabout, stay in your lane.
Read the road markings before you arrive
Signs on the approach and lane markings will show which lane leads to which exit. If you are unsure, slow down early and give yourself time to read them. Choosing the wrong lane on approach is a minor fault; changing lanes on the roundabout to correct it is a serious one.
Stay in your lane throughout
Do not change lanes once you are on the roundabout. If you realise you are in the wrong lane, it is safer to follow your lane to the wrong exit and turn around. The examiner will not fail you for taking a wrong exit — they will fail you for causing danger trying to correct it.
Spiral markings do the work for you
Spiral roundabouts have curved lane markings that naturally guide your car to the correct exit. Trust the markings and stay within them from approach to exit.
Traffic Light Roundabouts
Some busy roundabouts are controlled by traffic lights at each entrance. Obey them as you would at any junction — red means stop at the give-way line even if the roundabout appears clear.
Both rules apply simultaneously
A green light permits you to proceed to the give-way line, not necessarily onto the roundabout. If traffic is already on the roundabout from the right when you reach green, you still give way. Traffic lights and the priority rule work together, not instead of each other.
Roundabouts on the Driving Test
You will encounter multiple roundabouts during your practical test. The examiner checks that you understand the give-way rule, signal correctly, and are aware of other vehicles when exiting.
Not giving way from the right
Pulling onto a roundabout in front of approaching traffic is a serious or dangerous fault. Always look right before committing — even if you have been waiting a while.
Wrong lane on approach
Taking the right exit from the left lane (or vice versa) causes lane conflicts. Plan your lane choice before you arrive at the roundabout, not at the give-way line.
Missing the left mirror check
Required every time you move left to exit. The examiner watches for it specifically on right-turn exits. One glance is enough — but it must happen.
Hesitating when the roundabout is clear
Unnecessarily stopping when there is clearly no approaching traffic is a driving fault. Learn to commit when it is genuinely clear — hesitation holds up traffic.
Related Guides
Test Manoeuvres Explained
The four manoeuvres used in the UK driving test — what each one involves, how it's marked, the most common faults, and exactly what the examiner is looking for.
UK Road Signs
Every category of UK road sign explained — warning, prohibition, mandatory, and information — with the signs most likely to appear in your theory test.
Wirral Test Centres
Upton is the main test centre for the Wirral, with Wallasey open only three days a week. What to expect, the road types you'll encounter, and how to prepare for your test in the area.
Ready to get started?
Automatic electric driving lessons on the Wirral — one-to-one with a qualified ADI.
Book a Lesson