The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.
An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.
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.
The annual London Pride event was accompanied, in 2016, by some quite unusual changes to traffic lights around Trafalgar Square. The green men went missing — and seven new symbols took their place.
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