From 2023 (YouTube Edition): Beauty Amongst Ghastly Federal Agencies Founded in 1971 and based in Oklahoma City, the Transportation Safety Institute (TSI) is a subsidiary of the U.S. Department of Transportation’s Research and Innovative Technology Administration (RITA). The Transportation Safety Institute is tasked with providing high-quality safety, security, and environmental training to federal, state, and local governmental, private sector, and foreign transportation professionals in the aviation, highway traffic, transit, motor carrier, and hazardous materials sectors.