Continuing project to synthesize information on highway problems.

Bibliografische gegevens
Coauteur:	National Research Council (U.S.). Transportation Research Board
Formaat:	Boek
Taal:	Engels
Gepubliceerd in:	Washington, D.C. Transportation Research Board, National Research Council 1990.
Onderwerpen:	National Cooperative Highway Research Program. Highway research > United States.