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

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The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.

Hello, here's my ridiculous side project

An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.

London, in a new light

It was specially designed never to be noticed. And now it's disappearing, nobody has noticed its absence. It's London's own bespoke street light.

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Have you seen...

Reigate Tunnel

An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.

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