Start in Westacott Way, (the road from the A4 to the Maidenhead Business Campus) at a point opposite a double GPO manhole cover (marked DAW89DW10) which is 100 yards north of the power lines crossing the road. Proceed northwards to the roundabout at the junction with the A4 Take the first exit (M1) onto the A4 to the mini roundabout at Burchetts Green. Keep straight on (M2) , still on the A4, through Knowl Hill and Hare Hatch to the roundabout at Twyford at the junction with the A321 (Turn) Circle the roundabout (M3, M4, M5) (Check) and retrace along the A4 to the mini roundabout at Burchetts Green, where take the second exit (M6), still on the A4, to the Business Campus roundabout Keep straight ahead (M7), still on the A4, to a point level with the start of the lay-by, immediately West of Maidenhead Thicket roundabout, where finish