The Texas Transportation Museum (TTM) is a transportation museum located in San Antonio, Texas. It was created in 1964 to help preserve artifacts and information about San Antonio's transportation history. TTM operates as much of its collection as possible, including many railroad vehicles on its own heritage railroad, the Longhorn and Western Railroad, multiple model train layouts, and many antique automobiles. TTM's goal is to provide an educational and entertaining experience which interprets how developments in transportation technology shaped and continue to impact daily life.