A421 (M1 J13) Ridgmont Interchange

Layout and signage

N/A   M1









    A507

M1











  Ampthill
Ridgmont A507
London
M1 Link
Husborne Crawley
Milton Keynes
A421
The NORTH
M1 Link
Cranfield

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 continues ahead.

LanesLanesLanesLanes
LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Then further along:
  • Lane 1 terminates.
  • Lane 2 terminates.

In this section

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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Above the M8

Go to Glasgow and it's almost inevitable that you'll use the M8. The views of the city surrounding it are really quite unique.

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