Theresa Rohlfs, P.E.

Product Manager

Theresa has experience in traffic engineering in both the public and private sectors. Her primary area of expertise is in traffic operations, including experience analyzing, optimizing, and retiming traffic signals. She has field experience with several various controller types, including both NEMA and 170 style cabinets. During her career, Theresa has worked on numerous studies including traffic signal warrant analyses, traffic impact studies, and safety studies in both urban and rural environments. She has experience accommodating for emergency preemption, pedestrians, and bicyclists. As a former member of the Missouri Department of Transportation’s Traffic Signal Quality Circle, Theresa was on a team to develop standard practices and materials for use in the state of Missouri. Currently, Theresa works as a software Product Manager with Trafficware.