Ferrocarril Transístmico
The Ferrocarril del Istmo de Tehuantepec (Ferrocarril del Istmo de Tehuantepec, S.A. de C.V.), also known as Ferrocarril Transístmico () or simply Ferroistmo, is part of the Interoceanic Corridor of the Isthmus of Tehuantepec, owned by the Mexican government, that crosses the Isthmus of Tehuantepec between Puerto Mexico, Veracruz, and Salina Cruz, Oaxaca. It is leased to Ferrocarril del Sureste FERROSUR. It was formerly leased to Ferrocarriles Chiapas-Mayab until Genesee & Wyoming gave up its concession in 2007. Originally it was known as the Tehuantepec Railway. History of the Tehuantepec Railway The potential of the route from the Atlantic to the Pacific across the Isthmus of Tehuantepec has long been appreciated. As early as 1814 the Spanish government authorized a canal across the Isthmus. Soon after Mexico became independent in 1821, surveys were carried out which recommended constructing a plank trail for wagons through the Chivela Pass, with the northernmost part of the route using the Coatzacoalcos River which flows northward to the Gulf of Mexico on the Atlantic side of the isthmus. The river would be dredged to allow navigation. Nothing came of either of these plans. More serious planning began in the early 1840s, when José de Garay,