Line 1 Extension of Mashhad Urban Railway, Province of Khorasan Razavi, Iran

Extending Line 1 of Mashhad Metro to International Airport, 4 Lots Semi-Deep Urban Tunnel of Reinforced Concrete with the Total Length of about 4.5Km Constructed Using Prefabricated Elements and Top-Down Method


Municipality of Mashhad- Urban Subway Organization

Date of Completion


Services Delivered

Preliminary and Detailed Design, Review of the Design/ Supervision of Construction (Design and Supervision of Ventilation and Fire Suppression Systems)