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 , formerly known as the Via Regia or King's Highway, was an ancient Roman road built by Emperor Trajan in the province of Arabia Petraea, connecting Aqaba on the Red Sea to Bostra.