BTW, Andrew T was sooo close earlier.
Yes, and he would probably have got it if he'd actually heard of the answer. I was working on the assumption it was some famous roundabout instead of whatever happened to be at the end of Red-Dog's road.

me too - and found myself rather disconcerted at the fact that I was sitting here last night googling for 'famous roundabouts'. Big Brother will have me down as some kind of geek now!
All the necessary information was available, you proved it.
it was - after the 616 and 614 clue
But I was trying to feed you information as you needed it. Once I thought you knew WHAT it was, I gave a clue to WHERE it was.
Bear with me, I'm making these up as I go along, and it's hard to gauge how difficult they are when you know the answer.
You're better at this than I gave you credit for.