In the second half of the 19th century, during the time of Nasser-al-Din Shah, a short horse-driven suburban railway was established south of Tehran that was later converted to steam. This line was closed in 1952.
The Tabriz–Jolfa–Julfa (Russia) line (146 km) was opened in 1915 (in 1916 official opening), the Sufian–Sharafkhaneh (53 km) in 1916, and the Mirjaveh–Zahedan (93 km) in 1920. In 1915–1918, the Russians built and operated a military narrow-gauge railway Shakhtakhty (Russia) - Maku (Persia)- Bayazed (Turkey).
The 1,392 km (865 mi) long Trans-Iranian Railway from Bandar Shah on the Caspian Sea to Bandar Shahpur on the Persian Gulf was opened during the reign of Reza Shah Pahlavi in 1939. The railroad was built with rail weighing 67 pounds per yard (33 kg/m) and required more than 3000 bridges. There were 126 tunnels in the Zagros mountains. The longest was 1.5 miles. Grades averaged 1.5 percent south of Tehran, but then increased to 2.8 percent to cross the 7,270-foot pass between Tehran and the Caspian Sea. After the Anglo-Soviet invasion of Iran in 1941, this Persian Corridor became one of the supply routes for war material for the Soviet Union during World War II. The British built a 75-mile (121 km) branch line from the 3000-foot (900-meter) bridge over the Karun River in Ahwaz to a new southern port at Khorramshahr on the Shatt al-Arab river. In 1943 3,473 American soldiers of the Military Railway Service began running trains between the Persian Gulf and Caspian Sea using ALCO RS-1 locomotives rebuilt with 3-axle trucks and designated RSD-1. [1] The Americans set up headquarters in Ahwaz, but were unable to tolerate the daytime heat, and generally operated the railway at night. [2]
After the transportation minister visited one of Japanese new high speed railway in 1975 he invited them to study a new high speed line between Tehran and Mashhad. a delegation came to Iran for this study and their proposal was prepared with three options:
1- Double tracking, signaling and electrification of existing route with 160 km/h speed.
2- Constructing a new dedicated high speed line with 210 km/h like japan as the second country in the world.
3- Constructing a new dedicated high speed line with 270 km/h that was more than Japanese one.
and for the third one they explained the 10 year duration of project that was enough to develop the new generation of high speed trains.
The Trans-Iranian railway traverses many mountain ranges, and is full of spirals and 1 in 36 ruling grades. Much of the terrain was unmapped when construction took place, and its geology unknown. Several stretches of line, including tunnels, were built through unsuitable geology, and had to be replaced even before the line opened. Nevertheless, the line was completed ahead of schedule.
In recent years the railways have undergone significant extensions including the 1977 linking to the western railway system at the Turkish border, the 1993 opening of the Bandar Abbas line providing better access to the sea, and the 1996 opening of the Mashad–Sarakhs extension as part of the Silk Road railway to link to the landlocked Central Asian Countries.
Source: [3]
Route | Length in km | Date of Construction |
Tehran– Ray | 9 | 1884–1886 |
Mahmudabad–Amol | 16 | 1882–1887 |
Tehran–Karaj | 41 | 1895–1903 |
Tabriz–Jolfa | 148 | 1910–1914 |
Sufian–Sharafkhaneh | 53 | 1913–1916 |
Zahedan–Mirjaveh | 94 | 1912–1921 |
Tehran–Bandar Shah | 461 | 1928–1938 |
Tehran–Bandar Shahpur | 928 | 1928–1939 |
Ahvaz–Khorramshahr | 121 | 1942–1943 |
Sar Bandar–Mahshahr | 12 | 1950–1951 |
Garmsar–Mashhad | 812 | 1938–1958 |
Tehran–Tabriz | 736 | 1939–1959 |
Gorgan–Bandar Shah | 35 | 1960–1961 |
Tabriz–Bazargan | 192 | 1912–1971 |
Qom–Zarand | 847 | 1939–1971 |
Isfahan–Zarrin Shahr | 111 | 1969–1972 |
Zarand–Kerman | 80 | 1975–1979 |
Bafq–Bandar-Abbas | 626 | 1982–1995 |
Aprin–Maleki | 24 | 1993–1997 |
Aprin–Mohammediya-2 | 122 | 1994–1999 |
Chadormalu–Meibod | 219 | 1992–1999 |
Mohammediya-2–Mohammediya-1 | 6 | 1994–1999 |
Bafq–Kashmar | 800 | 1992–2001 |
Isfahan–Shiraz | 506 | 2004–2009 |
Kerman–Zahedan | 546 | 2002–2009 |
Geographically, the country of Iran is located in West Asia and borders the Caspian Sea, Persian Gulf, and Gulf of Oman. Topographically, it is predominantly located on the Persian Plateau. Its mountains have impacted both the political and the economic history of the country for several centuries. The mountains enclose several broad basins, on which major agricultural and urban settlements are located. Until the 20th century, when major highways and railroads were constructed through the mountains to connect the population centers, these basins tended to be relatively isolated from one another.
Iran has a long paved road system linking most of its towns and all of its cities. In 2011 the country had 173,000 kilometres (107,000 mi) of roads, of which 73% were paved. In 2008 there were nearly 100 passenger cars for every 1,000 inhabitants.
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The International North–South Transport Corridor (INSTC) is a 7,200-km long multi-mode network of ship, rail, and road route for moving freight between India, Iran, Azerbaijan, Russia, Central Asia and Europe. The route primarily involves moving freight from India, Iran, Azerbaijan and the Russian Federation via ship, rail and road. The objective of the corridor is to increase trade connectivity between major cities such as Mumbai, Moscow, Tehran, Baku, Bandar Abbas, Astrakhan, Bandar Anzali, etc. Dry runs of two routes were conducted in 2014, the first was Mumbai to Baku via Bandar Abbas and the second was Mumbai to Astrakhan via Bandar Abbas, Tehran and Bandar Anzali. The objective of the study was to identify and address key bottlenecks. The results showed transport costs were reduced by "$2,500 per 15 tons of cargo". Other routes under consideration include via Kazakhstan and Turkmenistan.
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