M1 J1 Staples Corner

Layout and signage

N/A   A406



    A406
(A41)



  North Circular Road (E)
West End (A41)
A406 Link
North Circular Road (W)
Heathrow Airport
A406 Link

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 exits and does not return.
  • Lane 3 exits and does not return.

Other events

  • Signs Start of motorway regulations
  • Signs National Speed Limit begins
  • Signs End of motorway regulations
  • Signs Traffic signals
  • Signs 40mph speed limit begins

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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Aust to Beachley

Today two motorways cross the Severn near Chepstow. But as recently as 1965, the only crossing was a ferry that carried six cars at a time, from Aust to Beachley.

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