The Leeds to Scarborough road offers a fast expressway from the A1 to York, and bits and pieces of half-finished dual carriageway over the rest of its course.
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.
The 1920s and 30s saw a huge roadbuilding boom in London's suburbs. Some of those roads are incredibly well known, but here are five Arterial Roads that have been almost completely forgotten.