I spoke with our landscape team and was given the following information for the tree trimming this week. They are focusing on deadwood, low limbs and clearance from equipment. All cuts will be made in accordance with standards recognized by the International Society of Arboriculture. Larger limbs that would disfigure or harm the Oaks will not be removed unless decay, significant defect or other safety issue is discovered. From the manager of Recreation Facilities at.Arlington Park.