Tehran Mayor Mohammad Ali Afshani said Arash-Esfandiar Tunnel is underway with 95 percent progress.
Afshani made the remarks while visiting the construction project of Tehran.
He added that the tunnel is 1,400 meters and would connect Shahid Moddares Expressway from east to Ayatollah Hashemi Rafsanjani Highway from west.
Tehran mayor said the anticipated project costs is 2,400 billion rials, expressing hope that the project could be finished by September 22, 2018.
He added that so far 1,900 billion rials of the project has been spent and it is anticipated that the tunnel would go on stream before beginning of the new school year in Iran (on September 23).
Once the tunnel goes on stream, Afshani said the access from south to north of Moddares Expressway and the Elahiyeh street in northern Tehran would be facilitated.