I-495 westbound at the on-ramp from northbound Glen Cove Rd - Nassau County Highway Patrol and the Roslyn Fire Department responded to this scene on the Long Island Expressway shortly before 11:00am on August 14th. A Roll-off container truck entering the highway overturned spilling its load, and trapping the driver. The Roslyn Fire Department freed the man and he was transported to North Shore University Hospital in Manhasset. Only the HOV lane remained open following the crash. The exact cause of the accident is under investigation by the Nassau County Police Motor Carrier Division.