and Green Line (Line 5) on December 15, before the final Orange Line activation on January 5. With all six lines fully operational, the Riyadh Metro — the largest in the Middle East and the world’s ...

This was followed by the opening of the Red (Line 2) and Green ... the Riyadh Metro is now the largest in the Middle East and holds the title of the world’s longest driverless train system.

This was followed by the Red Line (Line 2) and Green Line (Line 5) on December 15, before the final Orange Line activation on January 5. With all six lines fully operational, the Riyadh Metro — the ...