THE RIYADH METRO
The Riyadh metro is a rapid transit system which is considered the largest public transportation project in the world. It is 176 km long with six lines; 87 air-conditioned stations and 7depots including underground, elevated and at-grade sections.
The design and build of lines 4,5 and 6 totaling 64.6km was awarded to the FAST consortium of FCC,Samsung C&T, Alstom, Strukton, Freyssinet, Typsa and Setec. This includes 25 stations (9 elevated and 16 underground), 7 Park ride facilities, and 29.8 km of viaduct, 8.2 km at-grade and 26.6km underground.