start is located just west of boroughbridge, under the a1(m) bridge over roecliffe road, adjascent to the gully grate, 30 yds west of roecliffe road ti on the a168.proceed to the ti, where left on the a168 to kirby hill ti (1.73 miles)continue north on a168 to dishforth ti,left, over bridge, to ti, where right, 2nd exit to rainton lane ti, where right (with care), 2nd exit to join the a168 dual carriage way (4.98 miles).continue allong a168/a19 to left, down sliproad to south kilvington (13.32 miles). encircle ti, procede under a19 and up slip road to join a19 southbound. continue on a19/a168 to left up slip road to dishforth ti (22.93 miles).continue forward, 2nd exit, on a168 to kirby hill ti (25.80 miles.encircle tito repeat ist circuit, join a168 dual carriage way (29.09 miles). left down sliproad to south kilvington (37.43 miles). encircle ti, procede under a19 and up slip road to join a19 southbound. continue on a19/a168 to left up slip road to dishforth ti (47.04 miles). continue forward, 2nd exit, on a168 to kirby hill ti (49.82 miles. take 1st exit off ti, towards broughbridge, finish opposite large traffic sign for kirby hil ti and 20 yds before lay-by (50.00 miles)