Interchanges

We all know our way around a roundabout and everyone is familiar with a crossroads. But do you know the difference between the many types of multi-level interchange used on motorways and expressways, or why one might be chosen over another?

This page explores the different types of interchange you'll find all over the UK on limited access roads - roads with flyover junctions that separate fast moving traffic from the local road network.

Visitors to this page might also find the Dictionary helpful.

Motorway to road interchanges

Three-way interchanges

Four-way interchanges

An octopus?

With thanks to Lazlo Horvath for information on this page.

What's new

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

Skid Risk, Accident, Fog

For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.

All change

In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?

Share this page

Have you seen...

Preston Bypass

The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.

About this page

Published

Last updated

Buy me a Coffee - make a small donation towards the running of Roads.org.ukBuy me a coffee