START at east end of High Street, Topcliffe, at western edge of drain cover, just east of gateway to field at start of slip road to A168 northbound carriageway. BEAR LEFT up slip road to join A168 dual carriageway. CONTINUE on A168/A19 to slip road sign-posted A168 Northallerton (5.838 mls). BEAR LEFT down slip road to T-junction (6.167 mls). TURN LEFT to South Kilvington TI. ENCIRCLE ISLAND, continue under A19 dual carriageway, bearing LEFT to join A19 southbound carriageway (6.663 mls). CONTINUE on A19/A168 to slip road sign-posted A167 Topcliffe (12.226 mls). BEAR LEFT onto slip road and continue under dual carriageway, to TURN RIGHT (CARE) (12.750 mls) onto slip road to A168 northbound carriageway. REPEAT CIRCUIT Join A168 (13.128 mls) Start of slip road to South Kilvington (18.553 mls) Rejoin A19 southbound (19.377 mls) Start of slip road to Topcliffe (24.940 mls) Bear left onto slip-road, to FINISH at eastern gate post of second gateway to field from the slip-road (25.00 mls).