start in lay-by on a27 at north end of fontwell race course at drain cover approximately 20 yards west of lamp post 181/08 (su 947072). proceed west along a27 to tangmere rab where straight across to continue on a27. take slip road up tangmere flyover on a285 to south rab. turn right, 2nd exit, to cross the flyover to north rab. take l" exit and continue north on a285 for 500 yards to temple bar. turn left on to an unclassified road to westhampnett rab (5.1 miles) (su 877060). take 1st exit on to old a27 to portfield rab where take 1st exit on to a27 westhampnett by-pass and proceed under tangmere flyover to tangmere rab where straight across to continue on a27 to fontwell west rab. (10.2 miles) (su 950071) take 1st exit to fontwell east rab where take 2nd exit to stay on a27 to arundel west rab where take 3rd exit to stay on a27 to arundel east rab at eastern end of arundel by-pass where: turn (15.1 miles) ( tq 022066). retrace on a27 through start back to tangmere flyover to take slip road a285 up to south rab (23.4 miles) (su 896066). turn right, 2nd exit, and repeat circuit, via temple bar, westhampnett rab portfield rab and the a27 to arundel east rab where: turn (35.1 miles) (tq 022066) retrace on a27 through start to south rab at tangmere flyover. take 2nd exit as before, and repeat loop via temple bar, westhampnett rab, portfield rab and the a27, under tangmere flyover to tangmere rab where take 2nd exit, straight across, to continue on a27 to: finish 3 yards east of traffic sign "reduce speed now" or 56 yards east of littleheath road and approximately 350 yards short of the start (50 miles) (su 944072)