Start at expansion joint at east end of bridge on A135 over A19. Travel east, via slip road to join A19 southbound. Continue on A19 southbound to Thirsk junction, where road changes to A168. Continue to Dishforth interchange, where taking slip road up to roundabout. Circle roundabout and take the 4th exit to cross bridge over the A168. At roundabout take 2nd exit and continue in northerly direction to small roundabout. Taking the 2nd exit, continue via slip road to join the A168 northbound. Passing Thirsk junction, continue north on A19 to the Crathorne junction. Following slip road (sign posted Yarm) to Tee junction, turn right(with care) across bridge, pasting start to commence 2nd circuit of previously describe route to Dishforth and back. On returning to Crathorne junction, keep left and join the A135 towards Kirklevington to finish at north end of large lay-by on left, approx 250yds north of Crown public House. (100miles)