The Supreme Authority for the Development of Riyadh is preparing to launch the giant tunnel boring machine ”Thaqaba” after its installation work is nearing completion, and the machine will lead the work in the area south of Al Olaya station towards the north over a distance of 4 kilometers, the first track (Al Olaya - Al Batha).

The Supreme Authority for the Development of Riyadh City is preparing to launch the giant tunnel boring machine ”Thaqaba”.

The Authority said that the manufacture of about 1,000 concrete rings has been completed in the northern concrete plant for the first track of the Riyadh Metro project.

About 1,000 concrete rings have been completed in the northern concrete plant for the first track of the Riyadh Metro project. <It is worth noting that the total length of the “Riyadh Metro” lines is 176 kilometers and includes 85 stations, and the project is scheduled to be completed within 4 years. The contracts for the Riyadh Metro project were awarded in 2013 to three international consortiums with a total value of about 22.5 billion dollars (equivalent to about 84.4 billion riyals), to be implemented within 5 years.

The Riyadh Metro project was awarded in 2013 to three international consortiums with a total value of about 22.5 billion dollars (equivalent to about 84.4 billion riyals).