Metro Riyadh, or Riyadh Train, is a rapid transit system serving the residents of Riyadh, the capital of the Kingdom of Saudi Arabia. It forms the backbone of the city's public transport system. The execution of this project is overseen by the Royal Commission for Riyadh City. It is one of three mass transit systems operating throughout the week. An overview of the Riyadh Metro The Riyadh Metro is the first railway project in the Kingdom with underground tunnels, reaching depths between tw...