Research problem statements operation and maintenance of transportation facilities.

Research problem statements operation and maintenance of transportation facilities.

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Bibliografische gegevens
Coauteur: National Research Council (U.S.). Highway Research Board
Formaat: Boek
Taal:English
Gepubliceerd in: Washington, D.C. Highway Research Board, National Research Council [1972]
Reeks:Highway Research Circular no. 131.
Onderwerpen:
Highway safety > Research.
Traffic Measurement > Research.
Traffic control and operations > Research.