The TTI San Antonio Research and Implementation Office (SA RIO) has partnered with Texas Department of Transportation (TxDOT) Districts and local agencies in South Texas since 1993. The SA RIO performs practical research in the traffic engineering, traffic operations, safety and emergency preparedness areas and assists local agencies and organizations link research findings to implementation practices through the transfer of technology. The TTI San Antonio Research and Implementation Office is located at the One Castle Hills Building.
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Map to the One Castle Hills Building1100 NW Loop 410, Suite 400
San Antonio, TX 78213
ph. (210) 979-9411
Map to the TransGuide Building3500 NW Loop 410, Suite 315
San Antonio, Texas 78229
ph. (210) 731-9938
NOTE: attempting to locate the address “3500 NW Loop 410, San Antonio, TX” on mapping services such as Google Maps, Bing, Mapquest or Yahoo Maps may show an inaccurate location. The location shown above is accurate.