Riyadh Metro Line 3

Location:Riyadh, Saudi Arabia
Project Type:
Customer:Salini Impregilo, Larsen & Toubro, Nesma & Partners Contracting Co.
Products:1x TBM

Machine Type:EPB Shield
Diameter: 10.16m
Excavation Length: 6000 m
Geology: Mainly limestone

With the rapid increase in the population of Saudi capital, local authorities have decided to increase the capacity of their public transport network. The future Metro project includes 6 automated lines covering a total distance of 177 km, 60 km of which is underground.

Structure of the Project

Line 3 is to be the longest in the network. It runs 40.7 km with 22 stations. However, just 6 km are underground. The « Metro Riyadh Line 3 Ltd » consortium used an earth pressure TBM, supplied by MÜHLHÄUSER (former NFM), to dig a 6,000 m tube. The launch of the machine was located at 3F2 station and its drive will finish for final breakthrough at 3E1 station.