M4

M4

London to Pont Abraham

Easily one of the most varied motorways in Britain, from urban chaos in west London and Heathrow Airport, out through the rolling hills of Gloucestershire, across the Severn Estuary and through industrial South Wales, the M4 does it all.

Routes
M4

M4 and A4

Serving Reading, Bristol and South Wales, the A4 and M4 are one of London's most important approaches. But the wildest fantasies of the sixties couldn't overcome its trickier problems.

Routes
M4 A4

No exit 05 April 2018

Bristol’s M32 recently gained a new junction for buses only. To mark this strange new addition to the motorway network, here are five places you can’t leave the motorway.

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Tags

Opening booklets

In days gone by, new roads were often celebrated with a grand opening ceremony and the issue of a commemorative booklet heralding the exciting new highway. You'll find some of them here, complete with a glimpse of all that empty tarmac and a healthy dose of modernist optimism.

Histories

M4 in Wales

One man's account of the building of the M4 through Wales, seen as he grew up in Swansea and witnessed it stage by stage - a tour of the motorway from its construction to the present day.

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Histories

What's new

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

Preston Bypass

The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.