摘要: |
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. This synthesis series reports on current knowledge and practice, in a compact format, without the detailed directions usually found in handbooks or design manuals. Each report in the series provides a compendium of the best knowledge available on those measures found to be most successful in resolving specific problems. |