Llangollen Canal part of the London Midland and Scottish Railway soon afterwards. After the takeover by the London Midland and Scottish Railway, regular maintenance was often not carried out, and gradually the canals silted up, so that boats could not operate with full loads. Traffic declined, and was significantly affected by a breach that occurred at the Perry Aqueduct, about to the south of Frankton locks, which effectively closed the Montgomeryshire Canal to all traffic. Traffic beyond Frankton to Llangollen had ceased in 1937, and the Frankton to Hurleston section was not used after 1939. The London Midland and Scottish Railway obtained
Llangollen Canal later that year. By 1954, the Llangollen Canal was in a curious position. Under the terms of the LMSR Act of abandonment, obtained in 1944, navigation had been abandoned, but the right to sell water had been retained. This was to be for a period of ten years, during which those who bought the water were required to make alternative arrangements, which they failed to do. Since the nationalisation of the canals in 1948, the canal had been managed by the British Transport Commission, who had to obtain Parliamentary approval to extend this arrangement. Meanwhile, a number of pleasure boats