National Research Council (U.S.). Transportation Research Board. Committee for a Study for a Future Strategic Highway Research Program & ebrary, Inc. (2001). Strategic highway research: Saving lives, reducing congestion, improving quality of life. Transportation Research Board, National Research Council.

National Research Council (U.S.). Transportation Research Board. Committee for a Study for a Future Strategic Highway Research Program and Inc ebrary. Strategic Highway Research: Saving Lives, Reducing Congestion, Improving Quality of Life. Washington, DC : National Academy Press: Transportation Research Board, National Research Council, 2001.

National Research Council (U.S.). Transportation Research Board. Committee for a Study for a Future Strategic Highway Research Program and Inc ebrary. Strategic Highway Research: Saving Lives, Reducing Congestion, Improving Quality of Life. Transportation Research Board, National Research Council, 2001.