The A11 forms the main road from London to Norwich, and is the main road to the south for most of Norfolk and substantial parts of Suffolk and Cambridgeshire.
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's widest motorway is not where you might expect to find it — in fact, it's on the unassuming M61 near Manchester. This gallery offers an overhead view of one of the UK's most unique and spacious interchanges.