Hedges and other vegetation along Route 28 at Freeman Street are impairing sight line visibility along Route 28. WILLIAM F. GALVIN PHOTO HARWICH — Thanks to hedges and other landscaping, as well as a slight bend in Route 28, entering traffic from Freeman Street or Snow Inn Road in Harwich Port can be a white-knuckle experience. The traffic safety committee has asked the selectmen to make changes to improve visibility at the intersection. Traffic Safety Committee Chair Gerald Beltis said the crossroad has been the site of 13 accidents in recent years. In a presentation to selectmen last week, Beltis told the board the design of Route 28 with hills and curves does not allow for adequate visibility for either drivers or for pedestrians seeking to cross Route 28 or to take turns from Snow Inn Road or Freeman Street. He said a vehicle exiting those side streets needs to be in the middle of Route 28 to see oncoming traffic.