Research problem statements operation and maintenance of transportation facilities.

Research problem statements operation and maintenance of transportation facilities.

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Bibliografiska uppgifter
Institutionell upphovsman: National Research Council (U.S.). Highway Research Board
Materialtyp: Bok
Språk:English
Publicerad: Washington, D.C. Highway Research Board, National Research Council [1972]
Serie:Highway Research Circular no. 131.
Ämnen:
Highway safety > Research.
Traffic Measurement > Research.
Traffic control and operations > Research.