A Ridgefield man was killed in a single car crash in town yesterday.  Police responded to a crash on Branchville Road close to East Ridge Road around 2am and determined that 43-year-old Carl Whitbeck was the sole occupant.  He was transported to the Hospital, where he was later pronounced dead.  Ridgefield Police say the vehicle was traveling east when it crossed over the westbound lane leaving the roadway and struck an embankment before coming to rest.