M32 J1 Frenchay Interchange

Layout and signage

Avon Ring Road
Filton
Downend
A4174
  A4174     A4174   Avon Ring Road
Filton
Downend
A4174

Lane configuration

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

LanesLanesLanesLanesLanes

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

In this section

What's new

The monster seen from below

What might it have been like to stand in one spot and witness the arrival, and the uncertainty, of plans for an urban motorway in West London?

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.

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Have you seen...

The Magic Roundabout

Officially the seventh most frightening thing on the road network - but actually it might just be the most efficient junction ever designed.

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