Saudi Arabia’s King Salman officially inaugurated the Riyadh Metro on Wednesday, ending a 12-year megaproject.

King Salman inaugurated Riyadh's new metro network, a cornerstone of Saudi Vision 2030 that will begin serving passengers next month.

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The first phase of the Riyadh Metro has been inaugurated by His Majesty King Salman bin Abdulaziz Al Saud. The project has been deemed the backbone of the capital’s public transport network and is one of the largest driverless transportation systems in the world.

Saudi Arabia has begun operations of the Riyadh Metro, which is expected to help reduce traffic and boost the value of commercial and residential real estate in the city. The first phase of the driverless transport system,