A421

A421

to

St Neots
Milton Keynes

Since 1996, three sections of a new A421 expressway have been built, progressively completing a fast route that serves to link Cambridge to Milton Keynes and Bedford to the wider world.

Routes

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?

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Abbreviations

How do you describe a road? One way is to use these engineering abbreviations, much loved by the UK's community of road enthusiasts.