Drive Suite's simple guide to Roundabouts (explained)

drivesuite1
Jun 21
3 min read

My fellow peeps what is up! Here’s to another week and another blog.

This week we talk about Roundabouts using the 12 o clock rule.

A Simple Guide to Roundabouts: Using the 12 O’Clock Rule

Roundabouts are one of the topics that learners often worry about the most. With multiple lanes, different exits and lots of traffic, it’s easy to feel overwhelmed.

The good news is that if you have a simple system to follow, roundabouts become much easier to understand.

In this guide, I’m going to explain the 12 O’Clock Rule and the method I teach my pupils to help them approach roundabouts with confidence.

First Things First: What Is the 12 O’Clock Rule?

Imagine a roundabout as a clock face.

The road directly opposite you is 12 o’clock.

This gives us a simple reference point:

Before 12 o’clock = generally left lane
At 12 o’clock = generally left lane
After 12 o’clock = generally right-hand side of the roundabout

Remember, this is a guide and not a legal rule. Road signs and lane markings always take priority.

My Simple Rule for Left and Straight Ahead

Whether the roundabout is spiral or non-spiral, I teach pupils to:

Going Left

Use the left lane.

Going Straight Ahead

Use the left lane.

This keeps things simple and reduces unnecessary lane changes.

The only exception is when road markings tell you otherwise.

For example:

If the left lane is marked “Left Turn Only”, then you must use the second lane to continue straight ahead.

Always check signs and road markings as you approach.

Understanding Spiral Roundabouts

A spiral roundabout is designed to guide drivers naturally towards their exit.

The lanes gradually move outwards as you travel around the roundabout.

Exits After 12 O’Clock

For exits between 12 o’clock and 3 o’clock:

Consider using one lane from the right.

For example:

On a three-lane roundabout, this may be the middle lane.
On a four-lane roundabout, this may be the second lane from the right.

This often provides an easier route to your exit.

Exits After 3 O’Clock

For exits from 3 o’clock onwards:

Use the right-hand lane.

This allows you to stay positioned correctly as you continue around the roundabout.

The spiral markings will usually guide you towards your chosen exit.

Understanding Non-Spiral Roundabouts

Non-spiral roundabouts require drivers to merge and move across lanes more carefully when exiting.

Because of this, positioning becomes even more important.

Exits Around 3 O’Clock

I often recommend using one lane from the right rather than the far-right lane.

This can make leaving the roundabout easier and reduce the amount of lane changing required.

Exits After 3 O’Clock

Use the right-hand lane.

This helps maintain correct positioning throughout the roundabout and allows you to continue around safely.

Why I Teach This Method

The reason I teach this approach is simple:

It keeps roundabouts manageable.

Many learners become confused because they try to memorise dozens of different lane combinations.

Instead, this system provides a clear structure that works well in most situations and helps learners:

Position earlier
Reduce last-minute lane changes
Improve confidence
Build consistency
Understand roundabouts more quickly

Important Reminder

This method is designed to make roundabouts easier to understand.

However, it is not a fixed rule that applies to every roundabout.

Always remember:

Road signs take priority.
Lane markings take priority.
Local road layouts take priority.
Follow any specific instructions given by your instructor.

Good drivers read the road ahead and adapt accordingly.

A Quick Summary

Use the left lane for left turns.
Use the left lane for straight ahead unless signs or markings say otherwise.
If the left lane is left-turn-only, use the second lane for straight ahead.
For spiral roundabouts, exits after 12 o’clock may be approached using one lane from the right.
For exits after 3 o’clock, use the right-hand lane.
On non-spiral roundabouts, a 3 o’clock exit is often easier from one lane in from the right.
Always follow road signs and lane markings first.

Roundabouts don’t have to be complicated. With the right system, good observation and plenty of practice, you’ll soon start approaching them with confidence rather than worry.

Want Extra Help Between Driving Lessons? 🚗

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