Heading east from London? Visiting the Docklands, Lakeside shopping centre or Southend Pier? Take Billy Bragg's advice, then, and hitch a ride on the A13.
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.
A gallery of images sent in by visitors to the site of original photos of motorways — including some impressive views of the M4 and M11 under construction.