Continuing project to synthesize information on highway problems.

Continuing project to synthesize information on highway problems.

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Manylion Llyfryddiaeth
Awduron Corfforaethol: National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. Transportation Research Board 1986.
Cyfres:National Cooperative Highway Research Program no. 159.
Pynciau:
Highway research > United States.