Roundabouts in the United States

Dades bibliogràfiques
Autor corporatiu:	National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, American Association of State Highway and Transportation Officials
Altres autors:	Rodegerdts, Lee
Format:	Llibre
Idioma:	English
Publicat:	Washington, D.C. Transportation Research Board 2007.
Col·lecció:	Report (National Cooperative Highway Research Program) 572.
Matèries:	Traffic circles > United States > Design and construction. Roads > United States > Interchanges and intersections > Design and construction.
Accés en línia:	Table of contents only OCLC Digital Archive