David Charles Dybala
Senior Research Specialist
Research and Implementation - DallasTexas A&M Transportation Institute
Texas A&M University System
9441 LBJ Freeway, Suite 103
Dallas, TX 75243
ph. (817) 462-0524 Ext. 11524 · fax (972) 709-2810
d-dybala@tti.tamu.edu

