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: | , |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Washington, D.C.
Transportation Research Board
[1983]..
|
| 叢編: | Research results digest (National Cooperative Highway Research Program)
no. 142. |
| 主題: |