The motorway that connects London to its most distant airport is also the main road to East Anglia, rolling across the hills of Essex and Cambridgeshire.
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.
The most unique motorway in Britain owes its identity to its fifties architecture. Much of it is in danger of being removed or irreperably altered. This page documents it in detail.