The Green Line is an integral component of the larger Qatar Rail network which includes long distance high- speed rail and local light rail in Doha. Qatar Railways Company was recognized by Guinness World Records for The Largest number of Tunnel Boring Machines.

Operating Simultaneously in a Single Project’ which is a major milestone for transport projects in Qatar

The Green Line Underground, consists of 6 underground stations, 16.5km of twin bored tunnels, two switchboxes, six escape shafts and one cross over. The line has 11 stations (including 6 underground stations) and underground, elevated and at-grade sections.