depart south of petersfield (the causeway) 75 yards south of the buriton roundabout (buriton junction) on the b2070 (old a3) proceed towards the roundabout and take the first turn (left) and follow the road signposted a3 guildford-london, this leads on to the slip road of the a3. proceed north along the a3. at the liss junction approximately (princes bridge interchange) 5.1 miles take the left turn signposted liss b3006 and continue over the flyover continually turning left to return onto the slip road to rejoin the a3 in a southerly direction. retrace along a3 towards petersfield. proceed along the petersfield by-pass until reaching the lay-by before the buriton turn-off to finish at the fourth road marker, l0miles.