1. Austin Office, Texas A&M Transportation Institute, Texas A&M University System, 505 East Huntland Drive, Suite 455, Austin, TX 78752.
2. Room 301-B, Zachry Department of Civil Engineering, Texas A&M University, CE/TTI Building, College Station, TX 77843-3136.
3. Room 239, Zachry Department of Civil Engineering, Texas A&M University, CE/TTI Building, College Station, TX 77843-3136.