M180 J1 Tudworth Interchange

Layout and signage

  A18
(A614)
    A614

A18
  Thorne
Hatfield
A18 (A614)

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

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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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Mixed Signals

During the 1960s the UK developed some of the most sophisticated - and strange - electronic variable message signs anywhere in the world. How? And, just as importantly... why?

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