Continuing project to synthesize information on highway problems a staff digest of the progress and status of NCHRP project 20-5 ... for which the Transportation Research Board is the agency conducting the research.

Bibliographic Details
Corporate Author: National Research Council (U.S.). Transportation Research Board
Format: Book
Language:English
Published: Washington, D.C. Transportation Research Board, National Research Council [1983]
Series:National Cooperative Highway Research Program no. 139.
Subjects: