Roundabouts — Connecticut Permit Test

Roundabouts on the Connecticut permit test — 6 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Roundabouts are intersections controlled by a circular island in the center, and they may have one lane or two.

Knowing it is an intersection rather than a curve is what makes a driver look for the yield rather than the apex.

Roundabouts are intersections that are controlled by a circular island in the center.
Connecticut Driver's Manual, p.37

Traffic entering a roundabout must yield the right-of-way to circulating traffic and to any pedestrians in the crosswalk.

Traffic already in the circle cannot stop without blocking everyone behind it, so the entering driver waits.

Entering traffic must yield the right-of-way to circulating traffic.
Connecticut Driver's Manual, p.37

Each road approaching a roundabout is marked with a yield sign, and may also have yield line markings on the pavement.

The sign is the instruction, so a driver who misses it still meets the paint on the road at the same place.

Each road approaching them is marked with a yield sign and may also have yield line markings on the pavement.
Connecticut Driver's Manual, p.37

Where a roundabout has more than one lane on approach, follow the posted signs and lane-use controls to choose the proper lane for your intended movement.

Choosing the lane inside the circle is too late; the signs before it are where the decision has to be made.

If there is more than one lane as you approach the roundabout, follow the posted signs and lane-use controls to choose the proper lane for your intended movement.
Connecticut Driver's Manual, p.37

Use your right turn signal when you are about to reach your intended exit from a roundabout, and yield to any pedestrians in the crosswalk on the exiting leg.

Drivers waiting to enter are reading your signal to decide whether they can go, so it has to come at the right moment.

use your right turn signal when you are about to reach your intended exit point
Connecticut Driver's Manual, p.37

Do not stop within a roundabout to let traffic enter from another leg.

Stopping inside breaks the one rule everyone is relying on, and the driver behind you is not expecting it.

Do not stop within the roundabout to allow traffic to enter the roundabout from another leg.
Connecticut Driver's Manual, p.37

On the test

What controls a roundabout?

A circular island in the center. Knowing it is an intersection rather than a curve is what makes a driver look for the yield rather than the apex. Connecticut Driver's Manual, p.37: “Roundabouts are intersections that are controlled by a circular island in the center.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

What it costs

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Where these come from

Every rule here is checked against Connecticut Driver's Manual, published by the Connecticut Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.