• Professional Engineer, State of Utah
  • Associate Chair , Civil And Environmental Engin
  • Associate Professor, Civil And Environmental Engin


  • Ph.D. in Transportation Engineering, Civil & Environmental Engineering, University of Washington
  • Graduate Certificate in Global Trade, Transportation, and Logistics Studies, Civil & Environmental Engineering, University of Washington


Dr. Liu is an associate professor in the Civil & Environmental Engineering Department at the University of Utah. She has a Ph.D. in transportation engineering from the University of Washington, a master’s degree in transportation planning and management from Texas Southern University, and a bachelor degree in electronics and electrical engineering from Beijing Jiaotong University.  She serves as a member on the Transportation Research Board (TRB) Highway Capacity Quality of Service (HCQS) Committee and Chair of the Technology Transfer subcommittee, and Managed Lane Committee, served as member of Transit Capacity and Quality of Service Committee (TCQS) (2016-2019). She is also serving as a board member of Utah Model Advisory Committee, and served on Salt Lake City Transportation Advisory Board (2013-2016). Dr. Liu is a licensed professional engineer at the State of Utah. 

Dr. Liu has conducted extensive research in sustainable transportation system with a focus on shared mobility, public transit, managed lanes, large-scale transportation modeling and simulation, GIS-based infrastructure asset management, network complexity of social sciences, and Intelligent Transportation Systems (ITS).