A national system of road numbers radiating from a central point suggests there is… well, a central point. But if you go looking for it you’ll find it doesn’t exist.
The wait is over! The full map of the Ringways, London’s unbuilt urban motorway network, is now online. Not even the system's planners had anything like this.
One of the world's biggest and most controversial schemes to manage traffic by charging for roadspace. You can drive in to London if you like, guv, but it'll cost you.