Ho-Ling Hwang
Ph.D., Operations Research and Statistics

 Oak Ridge National Laboratory
 Center for Transportation Analysis
 National Transportation Research Center
 2360 Cherahala Boulevard
 Knoxville, TN 37932
 United States of America


 (865) 946-1224 (office)
 (865) 946-1314 (fax)
 hwanghl@ornl.gov (email)
 

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:

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.


Staff Directory                               WebMaster                               CTA Home