The Ferrocarril del Istmo de Tehuantepec, also known as Interoceanic Train of the Isthmus of Tehuantepec or simply Tren Interoceánico, Ferrocarril Interoceánico, Ferrocarril Transístmico or simply Ferroistmo, is a government-owned railway system in Mexico that has three lines. From Wikipedia
