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."
| Údair chorparáideacha: | , |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | Béarla |
| Foilsithe / Cruthaithe: |
Washington, D.C.
Transportation Research Board
1982.
|
| Sraith: | National Cooperative Highway Research Program
no. 131. |
| Ábhair: |