You are here: Home » Interchanges
Once you know your way around a roundabout and you've seen all there is to see of a crossroads, it's time to move on to the big stuff. This page details the different types of interchange (usually on motorways but on other roads too) you might encounter - what it looks like, how it works, and what it's called. They're arranged on this page in alphabetical order.
Visitors to this page might also find the Dictionary helpful.
Motorway to road interchanges
Diamond
Conventional, basic motorway-to-road connection.
Dumbbell
A modern hybrid between diamond and roundabout interchange.
Roundabout Interchange
The true British interchange.
Three-way interchanges
Directional T
Three levels of road, three roads connected, three ways to build it.
Trumpet
The simplest free-flowing three-way connector.
Four-way interchanges
Cloverleaf
Four symmetrical loops - it's impossible to miss a cloverleaf. If you can find one, that is.
Four Level Stack
It is big, and it is clever.
Partially Unrolled Cloverleaf
A clever improvement on the cloverleaf.
Three-Level Stacked Roundabout
A cheap and cheerful way to fully grade separate two intersecting roads.
Whirlpool
Free-flowing, resizeable and also quite pretty.
With thanks to Lazlo Horvath for information on this page.
