Dangos 1 - 7 canlyniadau o 7 ar gyfer chwilio '"Highway research record"', amser ymholiad: 0.09e Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1972
    Llyfr

    Motorist information systems 8 reports prepared for the 51st Annual Meeting.
  2. 2
    Cyhoeddwyd 1970
    Llyfr

    Traffic signals and signs 5 reports.
  3. 3
    Cyhoeddwyd 1970
    Llyfr

    Geometric design protective barrier systems; luminaire supports : 6 reports.
  4. 4
    Cyhoeddwyd 1969
    Llyfr

    International transportation topics 4 reports ; sign uniformity, closing the Darien gap, transportation in Europe, and transportation in Great Britain.
  5. 5
    Cyhoeddwyd 1967
    Llyfr

    Guardrails, barriers, and sign supports 5 reports.
  6. 6
    Cyhoeddwyd 1967
    Llyfr

    Traffic control devices 5 reports.
  7. 7
    Cyhoeddwyd 1966
    Llyfr

    Traffic control devices and delineation : 7 reports ; presented at the 44th Annual Meeting, January 11-15, 1965.
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