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Planning-level Guidelines for Modern Roundabouts

Shauna L. HallmarkHillary Isebrands

出版	Center for Transportation Research and Education, Iowa State University, 2008
URL	http://books.google.com.hk/books?id=j1YBqJf8tHcC&hl=&source=gbs_api

註釋

This technical memorandum provides preliminary planning-level guidance to engineers, technicians, planners, and policymakers who may be considering a modern roundabout at an existing or proposed intersection in Iowa.