have four stations; these passed you find yourself in Cissia, where eleven stations and 42½ parasangs bring you to another navigable stream, the Choaspes, on the banks of which the city of Susa is built. Thus the entire number of the stations is raised to one hundred and eleven; and so many are in fact the resting-places that one finds between Sardis and Susa." The Chapars were express couriers who were provided with fresh supplies and horses at each station along the way, allowing them to quickly complete their way without having to procure supplies on their own or wait for their horse to rest. See also Angarium Angarum References Achaemenid Empire Postal systems Iranian inventions