Maps to Facilities and Offices TTI Locations Headquarters College Station Urban Offices Arlington Austin Dallas El Paso Galveston Houston San Antonio Waco Ann Arbor, MI Washington, DC Facility Pecos Research and Testing Center International Mexico City, Mexico Doha, Qatar Arlington Austin Bryan/College Station State Headquarters and Research Building Gibb Gilchrist Building CE/TTI Building Riverside Campus Valley Park Center Office Dallas El Paso Galveston Houston Pecos San Antonio One Castle Hills Building TransGuide Building Waco