Roman roads in Britannia the Lowlands briefly with the construction of the Antonine Wall in 164. This barrier, across the 'neck' of Scotland, from the Firth of Clyde to the Firth of Forth, was held for some twenty years. The Romans' main routes from Hadrian's Wall to the Antonine Wall, built by ca. 120 AD, were: (1) Corbridge to the Roman fort at Edinburgh (certain) and (likely) to Carriden ("Veluniate") on the eastern end of the Antonine Wall, via High Rochester ("Bremenium") and Melrose ("Trimontium"); (2) Carlisle to Bothwellhaugh (certain) and (likely) to the Antonine. There was also a certain road beyond the Antonine
Vestiges of the Gallo-Roman wall, Grenoble to the construction of the wall in the end of the 3rd century AD, the Gallic city of Cularo (Grenoble) was surrounded by a fence and a ditch. During the Roman Peace (Pax Romana) period (27 BC to 180 AD), the walls were not guarded. In the 3rd century, the city was weakened by the invasion of barbarians, so the Gallo-Romans built a surrounding wall, under the rule of the Emperor Diocletian. The wall surrounding Cularo covered 9 hectares of land and had two main gates. At the time, the city had an approximate population of 2000 inhabitants. Cularo appears