New Jersey Dept. of Transportation, Bureau of ResearchKondrath, EdKrupa, Cathy2012-03-232012-03-232010974.90 S126 2010http://hdl.handle.net/10929/17609en-USWork Zone SafetyIntrusion AlarmNew Jersy -- Road work zones -- Safety measures.Work Zone Intrusion Alarm EffectivenessState Publication