In early morning hours police officer finds client sleeping in car parked at Department of Conservation lot adjacent to public beach. Engine running. Client admits to drinking earlier at Celtics game. Police allege client failed field sobriety tests and post arrest breath test is .14 BrAC. Driver is also charged with trespassing as DCR lot is closed to public after dusk. Directed verdict of not guilty entered at trial because driver cannot be charged with operating under influence on “way” open to the public and be trespassing at the same location.