A1 Mill Hill Circus

Layout and signage

Edgware
A5100
Highwood Hill
  A5100       Edgware
A5100
Highwood Hill

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 exits and does not return.

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues, with option to exit.

Other events

  • Signs Traffic signals
  • Signs Traffic signals

In this section

What's new

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?

A century of motorways

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

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Have you seen...

Roundabouts

The UK has been driving in circles for a hundred years now, and this humble road junction has become part of British culture. Just what is so special about roundabouts?

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