Roundabouts in the United States

التفاصيل البيبلوغرافية
مؤلفون مشاركون:	National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, American Association of State Highway and Transportation Officials
مؤلفون آخرون:	Rodegerdts, Lee
التنسيق:	كتاب
اللغة:	English
منشور في:	Washington, D.C. Transportation Research Board 2007.
سلاسل:	Report (National Cooperative Highway Research Program) 572.
الموضوعات:	Traffic circles > United States > Design and construction. Roads > United States > Interchanges and intersections > Design and construction.
الوصول للمادة أونلاين:	Table of contents only OCLC Digital Archive