U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Mark Doctor is a safety and geometric design engineer with FHWA's Resource Center. He advances the use of flexible and innovative design practices on a national level and serves as a technical expert for FHWA in areas of geometric design, freeway and interchange design, and highway intersection design. Doctor has served with FHWA for 25 years in a variety of positions and offices with responsibilities in project development, design, traffic engineering, and operations. He holds a bachelor's degree in civil engineering from Clemson University and a master's degree in transportation engineering from the University of Florida. He is a licensed professional engineer in Georgia and serves on the TRB Geometric Design Committee.