From Dishforth up to the northern edge of Tyneside, the A19 is a major route running east of the A1, serving all the large and important towns that its more famous counterpart doesn't reach.
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.
Opened in May 1965, the A1(M) Darlington Bypass was one of the UK's earliest motorways and made huge strides in linking the North East to the rest of England. Explore the pioneering spirit of its engineers in the book they produced to mark its opening.