Interchanges

Cloverleaf

Four symmetrical loops — it's impossible to miss a cloverleaf. If you can find one, that is.

LILO

A junction with no bridges and not much choice if you're on the side road.

Fork

It might be the simplest type of interchange there is. One way on and one way off: a fork in the road.

What's new

London’s other forgotten motorways

We’ve spent years documenting the unbuilt urban motorway network planned for London. Today we’re unveiling more new routes that have never been seen before!

The middle of nowhere

A national system of road numbers radiating from a central point suggests there is… well, a central point. But if you go looking for it you’ll find it doesn’t exist.

Not so Smart

There have been rumours for months. Now the announcement has been made - “all new Smart Motorways scrapped”. What does this mean and who are the winners?

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Have you seen...

Mixed Signals

During the 1960s the UK developed some of the most sophisticated - and strange - electronic variable message signs anywhere in the world. How? And, just as importantly... why?