The 450-kilometer-long Haramain High-Speed Railway (HSR) Project, which was built by a consortium that included the China Railway Construction Corporation (CRCC) in Saudi Arabia in 2018, connected Islam's holiest city Mecca with its second holiest, Medina.

With design speeds of 360 km per hour, the Haramain HSR line is the fastest in the region, cutting travel time from four hours to under two hours. Its annual passenger volume exceeds 15 million, greatly relieving local traffic pressure and making the journey more comfortable.