T1/T2 - Horn Beam - Crown Reduce by up to 2m and shape, lift over road and drive to give 5m clearance from ground level. T3 - Beech - Crown Reduce by up to 2m and shape, lift over road and drive to give 5m clearance from ground level. T4 - Horse Chestnut - Crown Reduce by up to 2m and shape, lift over road and drive to give 5m clearance from ground level.