Research Staff

CV/Biosketch

Ho-Ling HwangHo-Ling Hwang
Ph.D., Operations Research and Statistics
(T) 865.946.1224
(M) 865.946.1314
hwanghl@ornl.gov

Specialty Research Areas:

  • Data, Statistical Analysis and Information Tools
  • Energy and Environmental Policy Analysis
  • Highway Safety
  • Intelligent Transportation Systems
  • Modeling and Simulation
  • Planning and Systems Analysis

Current or Recent Work:

  • Program Evaluations and Quality Assurance for Motor Carrier Safety
  • High Threat and Rail Corridor and Food Security Studies
  • Visualization for Transportation Decision Support Systems
  • Motor Fuel Consumption Models
  • National Intermodal Bottlenecks Evaluation Tool (IBET)
  • Temporary Losses of Highway Capacity Study (TLC)
  • Estimating International Freight Flows (Section 5115 Study)
  • National Household Travel Survey, American Travel Survey, and applications
  • Commodity Flow Survey and Applications
  • Real-time ITS data applications

Significant Publications:

Hwang, Ho-Ling; Davis, S.C. December 2009. Off-Highway Gasoline Consumption Estimation Models Used in the Federal Highway Administration Attribution and Process: 2008 Updates. ORNL/TM-2009/222.

Geospatial Products and Techniques at the Center for Transportation Analysis, DOE Special Issue of Geoscapes, Journal of Map & Geography Libraries. To be published in 2007.

Temporary Loss of Highway Capacity and Impacts on Performance: Phase 2, ORNL/TM-2004/209. ORNL, Oak Ridge, Tennessee, November 2004.

Adverse Weather Impacts on National Highway Networks, Proceedings of the 10th World Congress and Exhibition on ITS, 2004.

The Federal Highway Administration Gasohol Consumption Estimation Model. ORNL/TM-2003/210. July 2003.

"Comparison of Distance Estimates for the Commodity Flow Survey Based on the Great Circle Distance versus Network-based Distances," Transportation Research Record, Journal of the Transportation Research Board, to be published in 2002.

Temporary Losses of Capacity Study, ORNL/TM-2002/3, January, 2002.

"In, Out, Within, and Through: The Geography of Truck Freight in the Lower 48," Transportation Research Record, Journal of the Transportation Research Board, No. 1768, pp 18-25, November, 2001.

"Evaluating the Accessibility of U. S. Airports: Results from the ATS," Personal Travel: The Long and Short of It, Transportation Research Circular, No. E-C026, pp 287-305, March 2001.

"Real-Time Indicators of VKT and Congestion: One Year of Experience," Transportation Research Record, Journal of the Transportation Research Board, No. 1719, pp 209-214, December, 2000.

Data Processing Procedures and Methodology for Estimating Trip Distances for The 1995 American Travel Survey (ATS), ORNL/TM-2000/141, Oak Ridge National Laboratory, Oak Ridge, Tennessee, May, 2000.

Truck Roll Stability Data Collection and Analysis, ORNL/TM-2001/116, Oak Ridge National Laboratory, Oak Ridge, Tennessee, July, 2001.

Highlights

New version of Freight Analysis Framework released
The U.S. Department of Transportation's Federal Highway Administration (FHWA) released its new version of the Freight Analysis Framework, the most comprehensive publicly available data set of freight movement. This tool is developed for FHWA by CTA.

Vehicle Technologies Program Fact of the Week
The Vehicle Technologies Program Fact of the Week provides statistical information on vehicle sales, fuel economy and transportation trends.

2011 Annual Fuel Economy Guide is released
DOE and EPA released the 2011 Fuel Economy Guide, providing consumers with information about estimated mileage and fuel costs for model year 2011 vehicles.

Transportation Energy Data Book: Edition 30 . . .
One of ORNL's most requested documents, this data book details transportation-related energy use in the U.S.