Also necessary measures to establish line3 and 4 and studies on their extention began. Some 11 more stops are to be made available in the future. Each train offers 1,400 seats. Over 100 million passengers per year are expected. Construction works of stations, tunnels and bridges on both subway lines 1 and 2 are currently widely finished.
Track laying, installation of electric power supply and traffic control equipment are under way.
Electric multiple units for the subway lines and electric locomotivies for the Karaj railway are being delivered from Chinese manufactors. Double-deck passenger cars for the commuter line have been constructed by Pars Wagon factory in Arak. Shahid Madani St.