Dangos 21 - 29 canlyniadau o 29 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 21
    Cyhoeddwyd 1974
    Llyfr

    Traffic flow theory and practice : 4 reports prepared for the 53rd annual meeting of the Highway Research Board.
  2. 22
    Cyhoeddwyd 1974
    Llyfr

    Intercity freight movement by rail and highway 4 reports prepared for the 53rd annual meeting of the Highway Research Board.
  3. 23
    Cyhoeddwyd 1974
    Llyfr

    Multidisciplinary education in transportation proceedings of a conference conducted by the Highway Research Board September 7 and 8, 1973, at the University of Pennsylvania, Philadelphia, and cosponsored by the Transportation Studies Center, University of Pennsylvania, in cooperation with the 1907 Foundation.
  4. 24
    Cyhoeddwyd 1972
    Llyfr

    Visibility 11 reports.
  5. 25
    Cyhoeddwyd 1971
    Llyfr

    Anti-skid program management and related papers 22 reports.
  6. 26
    Cyhoeddwyd 1970
    Llyfr

    Highway safety proceedings of the second western summer meeting sponsored by the Highway Research Board and cosponsored by the Utah Dept. of Highways, Aug. 11-13, 1969, Salt Lake City, Utah.
  7. 27
    Cyhoeddwyd 1970
    Llyfr

    Highway safety proceedings of the second western summer meeting sponsored by the Highway Research Board and cosponsored by the Utah Dept. of Highways, Aug. 11-13, 1969, Salt Lake City, Utah.
  8. 28
    Cyhoeddwyd 1969
    Llyfr

    Joint development and multiple use of transportation rights-of-way proceedings of a conference held
  9. 29
    Cyhoeddwyd 1952
    Llyfr

    Traffic research problem statements presented at the 31st annual meeting, January 14-18, 1952.
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