Roman Cumbria to Wallsend on the Tyne estuary, with additional military installations running down the Cumbrian coast from Bowness to Risehow, south of Maryport, in an integrated fashion (and with forts at Burrow Walls and Moresby that were perhaps not part of the system). Historians believe that the Turf Wall from the River Irthing to Bowness-on Solway was rebuilt in stone in two stages. The most easterly five miles were rebuilt at the time of Hadrian, with the remainder being rebuilt after 150 AD. However, this is open to dispute: it is uncertain whether the building works in the second half of
Solway Junction Railway of the original line from Kirtlebridge to that point was reinstated. The line was dismantled some time in the 1960s. In 1959 Chapelcross nuclear power station was opened; the location is on the east side of the former line about halfway between Kirtlebridge and Annan, close to the RAF station site. It is likely that the RAF station line was used to bring in construction materials. Liquid effluent from the power station was discharged into the Solway Firth at Annan and at least the final part of the railway alignment was used to route the effluent pipes. The power station