Gentzy Franz - Labor and Employment Relations, University of Illinois, Urbana, ILPanelDan Gancarz - Project Engineer - Illinois Tollway Materials, Applied Research Associates Inc., Downers Grove, ILLaura Niemeyer - P.E., Project Manager, Illinois State Tollway Authority, Downers Grove, ILJuan David Pava - Work Zone Safety Engineer, Bureau of Safety Engineering, Illinois Department of Transportation, Springfield, IL