Scotland during the Roman Empire remains of a defensive line made of turf circa 7 metres (20 ft) high, with nineteen forts. It was constructed after 139 and extended for . It was possibly after the defences were finished that Urbicus turned his attention upon the fourth lowland Scottish tribe, the Novantae who inhabited the Dumfries and Galloway peninsula. The main lowland tribes, sandwiched as they were between Hadrian's Wall of stone to the south and the new turf wall to the north, later formed a confederation against Roman rule, collectively known as the Maeatae. The Antonine Wall had a variety of purposes. It provided
Architecture of Scotland in the Roman era in the north-east (some of which may have been begun in the earlier Antonine campaign). These include camps associated with the Elsick Mounth, such as Normandykes, Ythan Wells, Deers Den and Glenmailen. However, only two forts in Scotland, at Cramond and Carpow (in the Tay valley) are definitely known to have been permanently occupied during this incursion. There is evidence that these campaigns are coincident with the wholesale destruction and abandonment of souterrains in southern Scotland. This may have been due either to Roman military aggression or the collapse of local grain markets in the wake of Roman withdrawal. After