State Police have identified the body found by the highway in Danbury yesterday morning.  Police say the man was 63-year old Herbert Ruehle of Carmel, New York.  A Connecticut Department of Transportation surveyor found the body near the exit 4 ramp as he was setting up for road work.  The ramp was temporarily closed during the midday hours for the police investigation.  State Police say there was no sign of foul play.  No other details have been released.