The intercity network

1- North to south line (A)

This line starts at pasdaran in the north and terminates to the sofeh bus terminal in the south. The alignment passes by baharestan- kaveh- chehar bagh –chehar bagh abbassi – chrhar bagh bala –hezar jerib . the length of alignment is 20.2 km and most of the way is underground. The stations on the way are 21 stops all located underground . this line is divided to 5 sections.

a) section 1- south west

starts at pasdaran station and ends in kaveh terminal.The length of the way is7.7 km. The method of operation is cut and cover with a rectangular profile (8*6km).The depth is 8-1okm From the surface operated in 3 separated sections. This section was added to north to east line in 2004.Therefore the whole way was increased from 12.5 lcm to 20/2 km.

b) section 2- northern

c) section 3 – middle section

this section starts at keveh avenue on the opposite of Baboldasht bus terminal and ends in Shariaty station . the entrance shaft of TBM is here in kaveh avenue with a circular profile having two separated tunnels each one with 6 m diameter

and a depth of about 14 to 18m from the ground. Two all automatic T.B.M systems made by herrnkecht company are achieving the operation with a length of 5.5 km. The manufactured segments needed for the job are manufactured in a company located on Dolat Abad and transported to the background shafts of T.B.M. The remained soil from this section is transported to the suburban parts . crossing the river this alignment goes 14m down the river bed and shifts 10.m upward the sio-se-pol. (bridge). The tow TBM machines belong to E.U.R.O and up to the end of operation will be at the service of contractor.

d) Section4- Shariaty , Azadi

Starts at shariaty station and ends in Azadi station. The length of the line is 620 m. The way is horseshoe shape operated by rodheder machine in the depth of 14 to 16 m from the surface

e) Section 5- northern section

Starts at Azadi station and ends in sofeh station. The operation is achieved by two semi – Automatic Rodlteder machines with the method of N.A.M.T. the profile is Horseshoe shape and the diameter is 6(m). The length of the way is 3-8km and the operation is synchronizingly achieved with the middle section.

2- East to west line

This alignment starts khomeni shahr and continues like a shallow tunnel under the kohan-Dezh avenue. The way passes down the north to east way in the Emam Hossein station then it enters the sepah avenue. It continues to hafez Ave, under the northern corner of Imam square. The alignment then locates under Hatef Ave. and continues to the north. The train appears on earth in Laleh square . It crosses the square on a bridge and continues the bridge up to the parking . the whole alignment is 22 km long and stops at 20 different stations.