A2 Lydden Hill Junction

Layout and signage

Lydden
Temple Ewell
   
    Lydden
Temple Ewell

Lane configuration

LanesLanesLanesLanes
LanesLanesLanes

  • Lane 1 splits to create a new lane.
  • Then further along:
  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.

LanesLanesLanesLanes
LanesLanesLanesLanes

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

Other events

  • Signs Traffic signals
  • Signs Traffic signals

In this section

What's new

The road that made no sense

It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.

The forever bottleneck, part 2

The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.

The forever bottleneck, part 1

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

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