A308(M) Braywick Roundabout

Layout and signage

Maidenhead
A308
Windsor A308
Ascot A330
Bracknell
(A3095)
 







A308
   





A308

A330
(A3095)
  N/A

Lane configuration

LanesLanesLanesLanes

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

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 continues ahead.

Other events

  • Signs End of motorway regulations
  • Signs Start of motorway regulations

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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C-Roads

A collection of photos of signs confirming the existence of C-roads.

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