Tehran Metro Line 3 is 33 kilometers long and includes 26 stations. This line will begin from Qa'im town in northeast of Tehran and will continue to Islamshahr and will be constructed and operated in 5 phases.
Parts One and Seven / B from Yasouj to Dehdasht road,is 51 kilometers long, in the province of Kohkiluyeh and Boyerahmad , have been constructed by Tosse Manabe Ab & Energy Company.