The Diolkos—from the Greek dia (across) and holkos (portage)—was a paved trackway in Ancient Greece which enabled boats to be moved overland across the Isthmus of Corinth. The to long roadway was a rudimentary form of railway, Excavated letters and associated pottery found at the site indicate a construction date at the end of the 7th or beginning of the 6th century BC, that's around the time when Periander was tyrant of Corinth. The Diolkos remained reportedly in regular service un… (More on Diolkos)