Συγγραφέας
United States. Federal Highway Administration
Geological Survey (U.S.)
2
Ohio. Department of Transportation
2
American Association of State Highway and Transportation Officials
1
Bryan, Bradley A.
1
Dwight David Eisenhower Transportation Fellowship Program (National Highway Institute (U.S.)). Hispanic Serving Institutions Fellowships
1
Glab, John E.
1
Institute for the Certification of Engineering Technicians
1
Jones, Allison L.
1
Michael, E. D.
1
National Society of Professional Engineers
1
Snarponis, Joseph M.
1
Sroka, Bernard N.
1
Tennessee. Department of Transportation
1
United States. Federal Transit Administration
1
United States. National Highway Institute
1
West Virginia University
1
West Virginia. Department of Highways
1