Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee (Since 1978)

Project Manager), Rail Infrastructure Assurance (Since 1999)

Mr. Johnson is the project manager for the Rail Infrastructure Assurance Project at ORNL. This project is funded through the Naval Surface Warfare Center, Dahlgren Division.

Staff Member (1978–Present)

Mr. Johnson is matrixed to the TTG at ORNL from the Geographic Information Science and Technology Group of the Computational Sciences and Engineering Division. He has worked on research projects involving radioactive and other hazardous material transportation routing issues for nearly 25 years. Mr. Johnson has been responsible for maintenance of the HIGHWAY (roadway) and INTERLINE (rail and waterway) routing models and databases and has managed the developed Transportation Routing Analysis Geographic Information System (TRAGIS). TRAGIS has replaced the legacy HIGHWAY and INTERLINE models. These models are the accepted U.S. Department of Energy routing analysis tools used for both risk assessments and shipment planning.

Prior Experience

University of Tennessee, Research Intern at Oak Ridge National Laboratory (1976–1978)

University of Tennessee, Graduate Teaching Assistant, Geography Department (1974–1977)

Education

M.S. in Geography, University of Tennessee, Knoxville, Tennessee (1978)

B.S. summa cum laude in Geography, University of Minnesota Duluth, Duluth, Minnesota (1974)