If you want to avoid driving in Edinburgh, don't worry. There's a fast dual carriageway all along the urban fringe to help you avoid it. It's called the A720 Edinburgh City Bypass.
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.
The UK has been driving in circles for a hundred years now, and this humble road junction has become part of British culture. Just what is so special about roundabouts?