M48

M48

Olveston to Caldicot

The M48 crosses the River Severn alongside the M4 on the original Severn Bridge, carrying local and commuter traffic and forming a diversion route in the event that the Second Severn Crossing is closed.

Routes
M48

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.

Routes
Histories

What's new

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.

Hello, here's my ridiculous side project

An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.

London, in a new light

It was specially designed never to be noticed. And now it's disappearing, nobody has noticed its absence. It's London's own bespoke street light.

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Have you seen...

Reigate Tunnel

An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.