Islamic Republic of Iran Railways

Railway of Islamic Republic of Iran
Iran railway 2020
Operation
National railway	Râh âhan-e Jomhuri-ye Eslâmi-ye Irân Persian: راه‌آهن جمهوری اسلامی ایران
Major operators	RAI, Tooka rail, Samand rail
Statistics
Ridership	21 million
Passenger km	13 billion
Freight	31 million tonnes
System length
Total	12,998 kilometres (8,077 mi)
Double track	1426 km
Electrified	146 km
Track gauge
Main	1,435 mm (4 ft 8+1⁄2 in)
Electrification
Main	25 kV 50 Hz AC
Features
No. tunnels	105
Tunnel length	120 km
Longest tunnel	3000 m
No. bridges	350
Longest bridge	750 m
No. stations	360
Highest elevation	2500 m
Lowest elevation	-20 m

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The Islamic Republic of Iran Railways (abbreviated as IRIR, or sometimes as RAI, or as IRI Railway) (Persian: راه‌آهن جمهوری اسلامی ایران, romanized: Râh âhan-e Jomhuri-ye Eslâmi-ye Irân) is the national state-owned railway system of Iran. The Raja Passenger Train Company is an associate of the IR,^[1] and manages its passenger trains. The Railway Transportation Company is an associate of the IR, which manages its freight transport. The Ministry of Roads & Urban Development is the state agency that oversees the IRIR. Some 33 million tonnes of goods and 29 million passengers are transported annually by the rail transportation network, accounting for 9 percent and 11 percent of all transportation in Iran, respectively (2011).^[2]