Topsham, Devon line to Exmouth. In 2011 was the 150th anniversary of the railway coming to Topsham, on what is now called the Exeter–Exmouth Avocet Line. The native Celtic settlement of Topsham became the port of the Roman city of Isca Dumnoniorum (Exeter) in the first century AD, and continued to serve it until the Roman occupation of southern Britain ceased about the year 400. In the 7th century the Saxon rule in East Devon saw the settlement grow into a considerable village. St Margaret's Anglican Church in Topsham, dates back to the 10th century. Although reconstructed several times, it remains in
Isca Augusta and timber ramparts of the fortress were strengthened by the addition of a stone revetment at the front. This "composite" rampart consisted of a stone wall 5 to 5½ feet thick, backed by a clay bank and fronted by a single ditch By 120 AD, detachments or vexillations of the legion were needed elsewhere in the province and Isca became more of a military base than a garrison. However, it is thought that each cohort still maintained a presence at the fortress. When Septimius Severus seized power in the 190s, he had Isca refurbished and the legion were in residence