National Cooperative Highway Research Progra, National Research Council (U.S.). Transportation Research Boar, American Association of State Highway and Transportation Official, & aStutts, J. Guidance for implementation of the AASHTO Strategic Highway Safety Plan. Transportation Research Board.

National Cooperative Highway Research Progra, National Research Council (U.S.). Transportation Research Boar, American Association of State Highway and Transportation Official, and Jane aStutts. Guidance for Implementation of the AASHTO Strategic Highway Safety Plan. Washington, D.C: Transportation Research Board.

National Cooperative Highway Research Progra, et al. Guidance for Implementation of the AASHTO Strategic Highway Safety Plan. Transportation Research Board.