Public Agencies Federal Highway Administration, USA Transportation Research Board, USA Institute of Transportation Engineers, USA Transport Canada City of Ottawa, Canada Ministry of Transportation of Quebec Ministry of Transportation of British Columbia Insurance Corporation of British Columbia, ICBC Transportation Association of Canada Research Institutions National Academies, USA University of Illinois, USA Iowa State University, USA University of Rome, Italy The University of North Carolina, Highway Safety Research Center, USA National Research Council, Canada Private Agencies PerformTech, USA Vanasse Hangen Bruslin Inc., USA Human Factors North Inc., Canada Stantec Inc., Canada Ran Naor Foundation MORR and Associates, Inc. Kimley Horn Associates, Arizona, USA Training Associations Ontario Goods Roads Association, OGRA, Canada Centre for Transportation Engineering & Planning, C-TEP, Alberta, Canada National Highway Institute, USA