1. TCB, Inc., 5757 Woodway, Suite 101W, Houston, TX 77057.
2. 3135 TAMU, Texas Transportation Institute, Texas A&M University, College Station, TX 77843-3135.
3. 3136 TAMU, Texas Transportation Institute, Texas A&M University, College Station, TX 77843-3135.
4. Operator Performance Lab, University of Iowa, 3131 Seamans Center, Iowa City, IA 52242.
5. University of Iowa, Iowa City, IA 52242; 3M Traffic Safety Systems Division, 3M Center Building 225-5S-09, Mapletown, MN 55144-1000.