A34 (M4 J13) Chieveley Interchange

Layout and signage

London
Reading
SOUTH WALES
Bristol
M4 Link
Services Chieveley
  M4



    M4



  London
Reading
SOUTH WALES
Bristol
M4 Link
Services Chieveley

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 exits and does not return.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 is gained from the entry sliproad.
  • Lane 3 continues, with option to exit.
  • Lane 4 continues ahead.

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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