All signs are in Farsi and in English.
System Tehran, the capital of Iran, started construction of a metro system already during the reign of the Shah, but due to financing problems the first mass transit line could not open until March 1999. See Farsi station names below . A first 10 km section opened in August 2001. This line is being extended towards the north and the south. During construction station are numbered but these number are not included in the definitive name.