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."
| निगमित लेखकों: | , |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | अंग्रेज़ी |
| प्रकाशित: |
Washington, D.C.
Transportation Research Board
1982.
|
| श्रृंखला: | National Cooperative Highway Research Program
no. 131. |
| विषय: |