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April, 2013 Luncheon

Speaker: Dr. Reza Jafari

Date: Thursday, April 18, 2013

Topic: Roundabouts vs. Signalized and Unsignalized Intersections: Safety and Operation Concerns

Download: Presentation, MP4 | AVI

Summary: Mr. Jafari discussed the advantages and disadvantages of roundabout design versus signalized and unsignalized intersections. Traffic and transportation engineers are responsible for safety and ease of travel for all modes of transportation including pedestrian, bicyclist, and motorist. He reviewed the overall delay, back of queue, and other measures of a roundabout’s effectiveness by discussing case studies in North Carolina.

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