Construction of part of the second runway of section 6 and the non-level intersection of km 245+1 of section 7 of the Sangan – Torbat Heydariyeh axis, with a length of 15.3 km.
Construction of part of the second runway of section 6 and the non-level intersection of km 245+1 of section 7 of the Sangan – Torbat Heydariyeh axis, with a length of 15.3 km.