1. Department of Civil and Environmental Engineering, 5000 Technology Drive, S240, University of Alabama, Huntsville, AL 35899.
2. Office for Freight, Logistics, and Transportation, Shelby Center, CMER, 301 Sparkman Drive, University of Alabama, Huntsville, AL 35899.
3. Transportation Planning, South Alabama Regional Planning Commission, 110 Beauregard Street, Suite 207, Mobile, AL 36602.