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Research

Roundabout Traffic Modeling

Principal Investigator: Dr. Lisa Aultman-Hall
Funding Agency: US DOT

Project Summary

Dr. Aultman-Hall and Ph.D. student Nathan Belz will complete three studies in this project. The first is a spatial evaluation of roundabout acceptance and rejection in Maine, New Hampshire and Vermont. The second is a study of how roundabout geometry and turning volumes impact entry leg capacity. The third is development of a framework and method to simulate gap forcing behavior at roundabouts in a traffic simulation model.