I have just spoken to Motorscope and we need to be there for 9am.
Meet at Bowburn Services for 8am then leave for 8.15am.
Route is down A1 to junction 58, join A68 go through Darlington along Carmel Road, join A167 at the A66 roundabout then down A167 to Northallerton.
If anyone from Teesside wants to meet if you want to join at A167/A66 roundabout.