A2 Canterbury South Interchange

Layout and signage

Canterbury
A2050
      A2050


  Bridge

Lane configuration

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

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  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Then further along:
  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

In this section

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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.

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