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 Dumnoniorum Fosse Way, and on the 7th-century Ravenna Cosmography, where it appears as the apparently confused entry of . The fortress was given up around 75 and shortly afterwards its grounds were converted to civilian purposes. The military baths were too large for the local population and were largely demolished, although parts were incorporated into the forum and basilica built on the site. A smaller bathhouse was then built to the southeast. In the late 2nd century, the ditch and rampart defences around the fortress were replaced by a bank and wall enclosing a much larger area, some 92 acres (37