Dangos 1 - 4 canlyniadau o 4 ar gyfer chwilio 'Highway Research Board', amser ymholiad: 0.17e Mireinio'r Canlyniadau
  1. 1

    Relations between geometric design and operations 8 reports prepared for the 52nd annual meeting.

    Cyhoeddwyd 1973
    Llyfr

    Relations between geometric design and operations 8 reports prepared for the 52nd annual meeting.
  2. 2

    Lighting 3 reports prepared for the 51st Annual Meeting.

    Cyhoeddwyd 1972
    Llyfr

    Lighting 3 reports prepared for the 51st Annual Meeting.
  3. 3

    Relationships of highway geometry to traffic accidents 9 reports.

    Cyhoeddwyd 1970
    Llyfr

    Relationships of highway geometry to traffic accidents 9 reports.
  4. 4

    Accident rates as related to design elements of rural highways gan Kihlberg, Jaakko K.

    Cyhoeddwyd 1968
    Llyfr

    Accident rates as related to design elements of rural highways

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