- University of Nevada, Las Vegas
- Iowa State University
External person
- Iowa State University
- Ctr. for Transp. Res. and Education
External person
- Iowa State University
- Dept. of Civil/Construction Eng.
External person
- Ctr. for Transp. Res. and Education
- Iowa State University
- University of Alabama in Huntsville
External person
- Beijing Jiaotong University
External person
- University of Northern Iowa
- Iowa State University
External person
- University of Kentucky
- Kentucky Transportation Center
External person
- Iowa State University
- Office of Traffic and Safety
- Transportation Office of Traffic and Safety
External person
- University of Kentucky
- Kentucky Transportation Center
External person
- Beijing Jiaotong University
External person
- Iowa State University
- Ctr. for Transp. Res. and Education
- Dept. of Civil/Construction Eng.
External person
- University of California Berkeley
External person
- Iowa State University
- Engineering, West Lafayette, IN, USA
- Purdue University
External person
- Beijing Jiaotong University
External person
- University of Kentucky
- Kentucky Transportation Center
External person
- Ctr. for Transp. Res. and Education
- Iowa State University
External person
- Ctr. for Transp. Res. and Education
- Iowa State University
External person
- University of Kentucky
- Iowa State University
External person
- PLLC
- University of Kentucky
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- University of Nebraska–Lincoln
External person
- University of Nevada, Las Vegas
External person
- 455 Town Engineering Building
- Iowa State University
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- Iowa State University
- Kirksville College of Osteopathic Medicine
External person
- Office of Traffic and Safety
External person
- North Dakota State University
External person
- University of Nevada, Las Vegas
External person
- Beijing Jiaotong University
External person
- East China Jiaotong University
External person
- University of Texas
- University of Texas at Austin
External person
- Rotterdam University of Applied Sciences
- Delft University of Technology
External person
- University of California, Los Angeles
External person
- Ctr. for Transp. Res. and Education
External person
- Kentucky Transportation Center
External person
- University of Kentucky
- Johns Hopkins University
External person
- Ctr. for Transp. Res. and Education
External person
- Ontario Ministry of the Environment
External person
- Beijing Jiaotong University
External person
- University of California Berkeley
External person
- Kentucky Transportation Center
External person
- Iowa State University
- Drake University
External person
- University of California Berkeley
External person
- University of Nevada, Las Vegas
External person
- Office of Traffic and Safety
External person
- National Technical University of Athens
External person
- Nuclear Waste Project Office
External person
- Midwest Research Institute - Kansas City
External person
- Association of American Railroads
External person
- Midwest Research Institute - Kansas City
External person
- Office of Traffic and Safety
External person
- University of Texas
- University of Texas at Austin
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- University of Illinois at Chicago
External person
- Association of American Railroads
External person
- Virginia Polytechnic Institute and State University
- Virginia Tech Transportation Institute
External person
- Midwest Research Institute - Kansas City
External person
- Office of Traffic and Safety
External person
- Nuclear Waste Project Office
External person
- Connetics Transportation Group
External person
- University of Kentucky
- Gresham Smith
- University of Florida
External person
- College of Engineering
- University of Kentucky
External person
- Association of American Railroads
External person
- Kimley-Horn and Associates
External person
- Connetics Transportation Group
External person
- Polytechnic University of Milan
External person
- University of Kentucky
- Simon Fraser University
External person
- Beijing Jiaotong University
External person
- University of Kentucky
- DZYNE Technologies
- DZYNE Technologies Incorporated
External person