”There were 46 provinces under Trajan, a figure that would grow to 96 by the reign of Diocletian (285-305). In Trajan's time, provinces in the interior of the country were run by governors chosen by the Senate, a legislative body run by leading aristocrats. In contrast, border provinces were run by governors named directly by the emperor.”
Roman roads, together with Roman aqueducts and the vast standing Roman army, constituted the three most impressive features of the Roman Empire. In Britain, as in their other provinces, the Romans constructed a comprehensive network of paved trunk roads (i.e. surfaced highways) during their nearly four centuries of occupation (43 - 410 AD).
The barbarian tribes who carved up the old empire — the Franks, Visigoths, Ostrogoths, the Vandals, and so forth — were much more Romanized than the tribes that had menaced Rome centuries earlier. The rulers of these new kingdoms generally sought to co-opt Roman elites that still held significant wealth and power across the former Western Empire.