The  or , previously known as the Via Regia or King's Highway, was an ancient Roman road built by Emperor Trajan in the province of Arabia Petraea, from Aqaba on the Red Sea to Bostra.
The  or , previously called the Via Regia or King's Highway, was a significant Roman road constructed by Emperor Trajan in Arabia Petraea, linking Aqaba on the Red Sea to Bostra.