Lines and stations
Line 1 opening 2001, 47.5 km (29.5 mi), 30 stations
Line 2 opening 2000, 26 km (16 mi), 22 stations
Line 3 opening 2012, 37 km (23 mi), 21 stations
Line 4 opening 2008, 24.5 km (15.2 mi), 22 stations
Metro Subtotal: 135 km (84 mi) 95 stations
Line 5 opening 1999, 43 km (27 mi), 11 stations
GRAND TOTAL: 178 km (111 mi) 106 stations
Line 1, coloured red on system maps, is 28.1 kilometers (17.5 mi) long, of which 14.9 km (9.3 mi) are underground (from Tajrish station to Shoush-Khayyam crossing) and the rest runs at surface level. There are 29 stations along this line of which 18 stations are located underground and 11 above ground. As of 2005, the total capacity of line 1 is 650,000 passenger per day, with trains stopping at each station for 20 seconds. The trains are each made up of seven wagons, with a nominal capacity of 1,300 seated and standing passengers. The maximum speed of the trains is 80 km/h (50 mph) per hour which will be tempered to an average of 45 km/h (28 mph) per hour due to stoppages at stations along the route.
Line 1 runs mostly north-south, and the extension phase to Imam Khomeini International Airport is under construction. A 4.1 kilometers (2.5 mi), three station extension of the line from Mirdamad station to Qolhak station opened on May 20, 2009. The 4 kilometers (2.5 mi), four stations second phase of this extension from Qolhak station to Tajrish Square was completed in 2011. Construction was to be completed by March 2007 but faced major issues due to large boulders and rock bed in part of the tunnels as well as water drain issues. It has also faced major financing issues as the government has refused to release funds earmarked for the project to the municipality.
This line opened between Sadeghieh and Imam Khomeini in February 2000. Line 2 is 26 kilometers (16 mi) long, with 19 km (12 mi) underground and 1.4 kilometers (0.87 mi) elevated. There are 22 stations along the line, of which Imam Khomeini Station was shared by Line 1. Line 2 is coloured blue on system maps and runs mostly east-west through the city.
The line was extended from Imam-Khomeini to Baharestan Metro Station in 2004, and to Shahid Madani, Sarsabz and Elm-o-Sanat University in March 2006 with the intermediate stations, Darvazeh Shemiran and Sabalan, opening in July 2006. It was extended further from Elm-o-Sanat University to Tehran Pars in February 2009, and to Farhangsara in June 2010. The extension phase to new east terminal is under construction.
Line 3 travels from northeast to southwest. Line 3 is one of the most important lines as it connects southwest Tehran to northeast, crosses busy parts of the capital city, and can help to alleviate traffic problems. About 7 kilometers (4.3 mi) of Line 3 became operational in December 2012, followed by 12 kilometers (7.5 mi) in April 2014, and finally, the last section of the line which is 18 kilometers (11 mi) opened on September 22, 2015, increasing the length of the line to a total of 37 kilometers (23 mi), and serving 15 stations as of December 2015.
The line is 22 km (14 mi) long with 18 stations. Section 1, from Ferdowsi Square to Darvazeh Shemiran, opened in April 2008. Section 2 from Darvazeh shemiran to Shohada Square opened in February 2009. On May 24, 2009, Section 3 from Ferdowsi Square to Engelab Square opened. On July 23, 2012 two more stations were inaugurated, connecting line 4 with line 5.
Currently there are 18 stations in operation on Line 4, coloured yellow on the system maps.
Line 5 is coloured green on system maps; it is a 43-kilometer-long (27 mi) commuter rail line and has 11 stations. Entering the area of Karaj with main stations at Karaj and Golshahr. It connects with the western end of Line 2 at Tehran (Sadeghiyeh) station.
This line is under construction. When completed this line will be 33 km long with 19 stations as it connects southeast Tehran to northwest.
This line, similar to line 6, and in contrast with line 3, goes from northwest to southeast and is under construction with 2 recently bought modern TBM machines. Its first phase, compromising of 18 km of line and 8 stations is expected to be completed by June 2016.
- Darvazeh Shemiran station; Lines 2 and 4
- Shahid Beheshti station; Lines 1 and 3
- Darvazeh Dowlat; Lines 1 and 4
- Emam Khomeyni; Lines 1 and 2
- Vali Asr station; Lines 3 and 4
- Daneshgah‐e Emam Ali station; Lines 2 and 3 (under construction)
- Shademan station; Lines 2 and 4
- Sadeghiyeh; Lines 2 and 5, and
- Eram Sabz; Lines 4 and 5.