M20

M20

Mid Kent Motorway

London to Folkestone

The main road from London to the Channel Ports, and one of the principal radial routes from the capital, the M20 is not just the road to Kent but also the road to Europe.

Routes
M20

Operation Stack

If there's trouble crossing the Channel, you'll see the lorries queuing on the M20. What is Operation Stack? Why does it cause so much trouble? And why, more than twenty years after it started, are we still using it?

Routes
M20
Guides

What's new

A century of motorways

It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.

Schrödinger’s speed limit

In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.

Sorry, wrong number

Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?

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Road Numbers

We'd be lost without them, but there is nothing straightforward about the seemingly simple business of giving roads a number.