Research problem statements operation and maintenance of transportation facilities.

Research problem statements operation and maintenance of transportation facilities.

Bibliographic Details
Corporate Author: National Research Council (U.S.). Highway Research Board
Format: Book
Language:English
Published: Washington, D.C. Highway Research Board, National Research Council [1971]
Series:Highway Research Circular no. 129.
Subjects:
Highway safety > Research.
Traffic Measurement > Research.
Traffic control and operations > Research.