A Putnam County man has been arrested for driving at twice the posted speed limit in an active construction zone.  New York State police charged 20-year old Nicholas Zervas of Southeast on Sunday.  He was clocked traveling at 108 miles an hour on Interstate 684 in Bedford.  The speed limit is 55.  The construction zone was marked.  Troopers conducted a traffic stop and cited Zervas for reckless driving, speeding in a work zone and two additional vehicle and traffic law violations.  The Traffic Incident Management detail completes over 95,000 hours of dedicated work zone traffic enforcement statewide per year since 2008.