Railroad-highway grade crossings issues.

Railroad-highway grade crossings issues.

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Detalles Bibliográficos
Autor Corporativo: National Research Council (U.S.). Transportation Research Board
Formato: Libro
Lenguaje:English
Publicado: Washington, D.C. National Academy Press 1998.
Colección:Transportation research record no. 1648.
Materias:
Highway-railroad grade crossings > United States.
Traffic signs and signals > United States.
Traffic safety > United States.