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C573
Roundabouts: Advantages and Suitability

Mark P. Rossow, Ph.D, PE Retired

Under some circumstances, roundabouts offer many advantages over other intersection control options: fewer vehicle accidents, higher capacity, reduced maintenance costs, better appearance, and increased pedestrian safety. For example, in foreign countries where the use of roundabouts is well-established, traffic engineers almost always choose roundabouts in situations where U.S. engineers would choose all-way stop controls: all-way stop control is virtually nonexistent in these countries. This course provides information and guidance on roundabouts and is intended to help engineers and planners identify situations where roundabouts should be used and what kind of roundabout should be selected. The material contained in the course has been developed with input from transportation practitioners and researchers from around the world.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.


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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.

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