Research Catalog

  • Guidelines on the use of changeable message signs [microform]

    • Text
    • [Washington, D.C.] : U.S. Dept. of Transportation, Federal Highway Administration, Office of Technology Applications ; [Springfield, VA : National Technical Information Service, distributor, 1991]
    • 1991
  • Speed control through work zones [microform] : techniques evaluation and implementation guidelines.

    • Text
    • McLean, Va. : U.S. Dept. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

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