Senior Transportation Engineer | Associate

Vienna, VA


Whitney Duffy is the primary transportation contact in Clark Nexsen’s Vienna, Virginia office location, which was established to serve Northern Virginia transportation clients. Whitney is a senior transportation engineer with over 12 years of experience on transportation planning, traffic engineering and road development projects at Clark Nexsen. As a PTOE, she specializes in traffic signal design, traffic impact studies related to various types of development, roundabout analysis and design, roadway design, cost estimates and technical specifications. Whitney is an active member of the National Society of Professional Engineers (NSPE) and serves as a committee chair for the Virginia Section of Institute of Transportation Engineers (VASITE).