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."
| Nhiều tác giả của công ty: | , |
|---|---|
| Định dạng: | Sách |
| Ngôn ngữ: | English |
| Được phát hành: |
Washington, D.C.
Transportation Research Board
[1985]
|
| Loạt: | Research results digest (National Cooperative Highway Research Program)
no. 148. |
| Những chủ đề: |