Check operation of mechanized tunnel boring machine TBM Martyrs station (M4H6) is on progress.
Automatic digger (TBM) after a distance of 8.7 km on 26/04/95 to Martyrs' Square station at kilometer 476 + 08 during a special ceremony and the presence of Tehran Municipality were respected.
No.64,Northen Sheikhbahaee Ave, Mollasadra Ave. Tehran, Iran., P.O.Box :19936-74454
Tel.: +(98 21) 88039009 
