Roundabouts: How to Drive Them with Confidence
A roundabout can look confusing the first time you meet one, but it follows a short sequence: slow down, choose your lane, yield, travel counter-clockwise and exit. Once you know how to drive a roundabout, it’s one of the simplest intersections you’ll use, because everyone moves in the same direction and nobody crosses your path head-on.
Most students freeze at the entry because they’re hunting for a stop sign that isn’t there. The yield line is the whole decision: if traffic is coming from your left inside the circle, you wait; if the way is clear, you go. Decide early and the rest of the roundabout is just steering.
Why Roundabouts Work
In a roundabout, all traffic travels in one direction around a central island, and vehicles entering must yield to the traffic already circulating. There are fewer places where paths cross, and no one is turning left across oncoming traffic. Roundabouts also keep vehicles moving slowly through the intersection, which is part of why they are widely used to reduce serious crashes.
Step by Step
Whatever the size of the roundabout, the sequence is the same:
- Slow down on the approach. Look for signs showing the exits and the lanes.
- Choose your lane early. In a multi-lane roundabout, signs and markings tell you which lane leads where.
- Yield to pedestrians at the crosswalk before the yield line.
- Look left and yield to traffic already in the roundabout. Enter when there’s a safe gap.
- Stay in your lane and travel counter-clockwise. Don’t pass, and don’t change lanes inside the roundabout.
- Exit with care. Signal as your provincial guide directs, check for pedestrians at the exit crosswalk, and leave the roundabout.
If you miss your exit, don’t stop or reverse. Stay in your lane and go around again.
Choosing a Lane
Signs and pavement markings on the approach tell you which lane to use for each exit. Follow them over any rule of thumb. As a general pattern, the right lane serves the first exit and right turns, and the left lane serves later exits and left turns, but individual roundabouts differ.
If you’re in the inner lane and about to exit, check for vehicles to your right that are still circulating before you cross their path. This is the moment multi-lane roundabouts catch drivers out.
Pedestrians, Cyclists and Large Vehicles
- Pedestrians: Crosswalks sit at both the entry and the exit. Yield to people crossing before you enter and again before you leave.
- Cyclists: They may ride in the lane or use a shared path around the outside. Leave them space and don’t squeeze past inside the roundabout.
- Large vehicles: Trucks and buses may need more than one lane to get around. Give them extra room and avoid riding alongside them.
- Emergency vehicles: If you’re inside the roundabout, avoid stopping where you are. Leave at your exit, then pull over.
The rules about who goes first in every situation are in our right of way guide, and the scanning habit that makes roundabouts easier is in intersection scanning.
Signalling: Check Your Provincial Guide
Yielding is the same everywhere. Signalling is where guidance varies, and it’s the part most likely to trip you up on a knowledge test or road test.
Ontario’s handbook says to use your right-turn signal once you’ve passed the exit before the one you want. The Insurance Corporation of British Columbia (ICBC), the province’s public auto insurer, recommends signalling right before you exit so waiting drivers and pedestrians know your intention. Some local guidance gives different advice again.
The safest habit is to let people know you’re leaving in good time, and to follow the exact wording in your own province’s driver’s guide.
Roundabouts Versus Traffic Circles
Not every circular intersection is a modern roundabout. Older traffic circles can be larger, may not use yield signs at the entry, and are sometimes described differently in provincial and territorial handbooks. Look for yield signs and markings, and if you’re unsure which type you’re approaching, slow down and yield to traffic already in the circle.
Common Mistakes
Stopping when the way is clear
The problem: You treat the yield line like a stop sign, even when nothing is coming.
Better approach: Slow down and look. If the gap is there, enter without stopping.
Not yielding to circulating traffic
The problem: You focus on your exit and forget that vehicles already inside have priority.
Better approach: Look left before the yield line, every time.
Changing lanes inside
The problem: You realize you’re in the wrong lane and move across mid-circle.
Better approach: Choose your lane on the approach. If it’s wrong, go around again.
Forgetting the exit crosswalk
The problem: You relax once you’re past the entry and miss pedestrians at the exit.
Better approach: Treat the exit like a second entry. Check, then go.
Entering too fast
The problem: You arrive at speed and have no time to judge the gap.
Better approach: Slow down early. You can always speed up inside.
Practice Exercise: Three Laps
Find a quiet single-lane roundabout and practise it a few times in a row. Each of you has a job.
Your job
Before each approach, say your exit out loud (“second exit”). At the yield line, say what you see: pedestrians, circulating traffic, a gap. Then go. On one lap, deliberately miss your exit and go around again so you know you can.
Your supervising driver’s job
Watch the yield decision, your speed on entry and whether you checked the exit crosswalk. Save feedback until you’ve stopped. Supervisors can find advice on calm feedback in our guide to teaching a new driver.
Once single-lane roundabouts feel easy, move on to a multi-lane roundabout at a quiet time of day.
Practise one roundabout → say what you see → review the entry decision → try a bigger one. Confidence comes from repetition, not from memorizing a diagram.
Depending on your province and test route, a roundabout may come up on your road test. See The Road Test: What to Expect for what examiners look for.
The Bottom Line
Slow down, choose your lane, yield to pedestrians and to circulating traffic, stay in your lane, and exit with care. When you’re unsure about signalling or a local rule, your provincial driver’s guide is the final word.
At a roundabout, decide early at the yield line, and the rest is steering.
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