Continuing project to synthesize information on highway problems.
"A staff digest of the progress and status of NCHRP Project 20-5, "Synthesis of information related to highway problems," for which the Transportation Research Board is the agency conducting the research."
| Corporate Authors: | , |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Washington, D.C.
Transportation Research Board
1982.
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| סדרה: | National Cooperative Highway Research Program
no. 131. |
| נושאים: |