MUSCAT: A proposed rail link being weighed between the industrial hub of Duqm on Oman’s southeastern coast and the Saudi capital Riyadh is envisioned to also connect a major economic zone currently in the early stages of development in the Sultanate of Oman’s Al Dhahirah Governorate.
https://www.omanobserver.om/article/1146518/business/economy/proposed-duqm-riyadh-rail-link-to-integrate-al-dhahirah-zone