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.
If there's trouble crossing the Channel, you'll see the lorries queuing on the M20. What is Operation Stack? Why does it cause so much trouble? And why, more than twenty years after it started, are we still using it?