Tehran Metro Line 7 is about 27 Km long with 25 stations. It starts from Shahrak-e-Amir-al-momenin in South east of Tehran (East to West direction) and continues under Mahalati Highway Junction, Hefdah-e-shahriver St. and Mohamadiyeh Square, the route changes at Navvab Safavi Junction (South- South direction). After that it continues its way (in lower level) adjacent to Tohid Tunnel and Milad Tower to its end point in Bostan Square in Saadat abad (South west of Tehran). Whole of the route would be underground where there would be a workshop at the beginning of route (Shahrak-e-Amir-al-momenin) and a parking lot at the end of it (Saadat abad).

It should be noted that the construction contract is awarded to Sepasad Group as EPC- Turn Key contract which is the first in county.