Lee Rodegerdts

Principal Engineer

Lar Lee has over 22 years of broad experience in traffic operations, traffic design, transportation planning, and transportation research and education. He is recognized internationally for his expertise on roundabouts and has led national research and guide development on roundabouts for more than a decade. He serves on TRB’s Committee on Roundabouts and the National Committee on Uniform Traffic Control Devices’ roundabout task force, and he previously served as chair of the Unsignalized Intersections Subcommittee of the TRB Committee on Highway Capacity and Quality of Service. He has taught over 60 professional short courses on highway capacity, intersections, roundabouts, and signal timing.

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