Continuing project to synthesize information on highway problems a staff digest of the progress and status of NCHRP project 20-5 ... for which the Transportation Research Board is the agency conducting the research.
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| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C.
Transportation Research Board, National Research Council
[1983]
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| Series: | National Cooperative Highway Research Program
no. 139. |
| Subjects: |