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

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

West Cross Route

Desperately-needed but never built, this was one of the only London urban motorway plans that were ever progressed to the construction stage.