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| Iranian railway network | |
|---|---|
| Name | Iranian railway network |
| Native name | شبکه ریلی ایران |
| Locale | Iran |
| Start year | 1888 |
| Length km | 13853 |
| Gauge | 1,435 mm (standard) |
| Electrification | partial (25 kV AC) |
Iranian railway network The Iranian railway network is a transcontinental rail transport system linking Tehran, Mashhad, Tabriz, Isfahan and Bandar Abbas with regional corridors to Turkey, Azerbaijan, Turkmenistan and Pakistan. Originating in the late 19th century during the Qajar dynasty and expanded through the Pahlavi dynasty and the Islamic Republic of Iran, the network has strategic importance for the North–South Transport Corridor, Silk Road Economic Belt initiatives and energy-export logistics tied to the Persian Gulf and the Caspian Sea. Modernization efforts involve partnerships with China Railway, Siemens, Alstom and regional operators like Czech Railways and Russian Railways.
Early projects began under the Qajar dynasty with the 1888 opening of the horse-drawn tram and later steam lines influenced by concessions involving Baron de Reuter and European financiers from United Kingdom, Belgium and Germany. The landmark Trans-Iranian Railway project completed in 1938 under Reza Shah Pahlavi connected Bandar Shahpur (now Bandar-e Emam Khomeyni) with Tehran and Mashhad, incorporating major engineering feats across the Alborz and Zagros ranges and work by firms from France, Italy and Soviet Union. Post-World War II expansion included freight links to Soviet Union and rehabilitation programs after the Iran–Iraq War. Since the 1990s, bilateral agreements with China, India, Turkey and Azerbaijan accelerated gauge-standard projects, electrification trials and construction of the North–South Railway Corridor and the Qazvin–Rasht–Astara link.
The core network radiates from Tehran Railway Station with primary arteries: the Tehran–Mashhad railway, the Trans-Iranian Railway trunk, the Mashhad–Sar-e Pol branch and the southern freight corridor to Bandar Abbas. Major junctions include Arak, Qom, Shiraz and Tabriz. Infrastructure assets comprise over 13,800 km of track, signaling centers modeled after European Train Control System concepts, bridges like the Veresk Bridge and tunnels piercing the Alborz ranges such as the Trans-Iranian Railway tunnels. Freight terminals operate at Bandar Abbas, Bushehr and Khorramshahr while intermodal hubs link to Shahid Rajaee Port and the Caspian Port of Anzali. Electrification projects use 25 kV AC standards compatible with rolling stock from Bombardier and Hitachi, while workshops at Tehran, Tabriz and Mashhad perform heavy maintenance and overhaul.
Passenger services include long-distance expresses like the Tehran–Mashhad Express and regional trains on the Tehran–Tabriz and Tehran–Isfahan corridors, with sleeper, couchette and daytime seating categories. Commuter services operate in the Tehran Metropolitan Area integrated with Tehran Metro nodes and suburban links to Karaj and Qom. Freight operations transport petrochemical shipments from Kharg Island to export ports, container flows to Caspian Sea terminals, and bulk minerals from Sangan and Gol Gohar mines. Timetabling and crew management follow regulations promulgated by the Ministry of Roads and Urban Development (Iran) and the state operator Islamic Republic of Iran Railways (RAI) with pilot public–private partnerships involving China Civil Engineering Construction Corporation.
Rolling stock fleets include diesel locomotives from General Electric and EMD, Co'Co' classes procured through contracts with Siemens and refurbished Soviet-era TE-class units sourced from Russian Railways. Electric multiple units and high-performance coaches come from Alstom, Stadler and Hyundai Rotem consortiums used on electrified sections. Freight wagon fleets feature heavy-duty hoppers, gondolas and container wagons built under license by Mapna Group and workshops collaborating with Škoda and Hyundai Rotem. Heritage stock such as pre-war steam locomotives are preserved at museums in Tabriz and Mashhad.
Ambitious programs aim to introduce high-speed rail between Tehran and Isfahan, and phased HSR links toward Shiraz and Bandar Abbas under memoranda with China Railway Construction Corporation and European suppliers like Alstom and Siemens Mobility. Modernization includes adoption of European Train Control System-compatible signaling, track renewal on the Trans-Iranian Railway, station redevelopment at Mashhad Railway Station and digital ticketing integrated with the National Smart Card initiatives. Pilot electrification projects progressed on the Tehran–Mashhad corridor and the Karaj–Qazvin section, backed by financing from the Asian Infrastructure Investment Bank and bilateral credit lines with China Development Bank.
International links include the standard-gauge corridor to Turkey via Bazargan and Van, cross-border connections to Azerbaijan through the Astara link and the broad-gauge interchange with Turkmenistan at Kurtkui. Freight corridors extend south to Pakistan via the Zahedan junction and east-west links support the North–South Transport Corridor connecting Mumbai and Saint Petersburg interests. Multilateral agreements involve Economic Cooperation Organization (ECO), bilateral pacts with Iraq for reconstruction-era rail supply, and participation in the International Union of Railways frameworks.
The Ministry of Roads and Urban Development (Iran) sets policy while the state monopolist Islamic Republic of Iran Railways (RAI) administers operations, infrastructure, safety standards and tariff frameworks. Financing draws on sovereign budgets, export-credit agencies from China, public–private partnership contracts with China National Machinery Import and Export Corporation and loan facilities negotiated with the Islamic Development Bank and the Asian Development Bank. Institutional reforms have included corporatization of subsidiaries, creation of independent safety regulators modeled on European Union Agency for Railways practices, and concessions for freight terminals to international logistics firms from United Arab Emirates and Turkey.
Category:Rail transport in Iran