Riyadh Metro is a rapid transit system serving the residents of Riyadh City , the capital of the Kingdom of Saudi Arabia. It was inaugurated by the Custodian of the Two Holy Mosques King Salman Bin Abdulaziz Al Saud on November 27, 2024. Below are the phases of operation for Riyadh Metro lines: December 1, 2024 Operation of three lines: the Blue Line along the axis of al-Olaya – al-Batha roads; the Yellow Line along the axis of King Khalid International Airport Road; and the Purple Line along...

The first railway line in the Kingdom of Saudi Arabia was inaugurated in 1951, connecting Dammam and Riyadh . The idea for the railway emerged alongside the plan to establish a commercial port on the Arabian Gulf Coast. This port was intended to receive ships carrying oil exploration equipment and oil tankers. The Founder King Abdulaziz Bin Abdulrahman Al Saud approved the plan and ordered its immediate execution. Construction of the railway began in October 1947, and in October 1951, King Abdu...