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 be robust enough to withstand the rigours of daily use. The company eventually paid £200 to the inventors, one quarter of the actual costs. Jessop decided in 1800 that the route between Trevor and Chester should be abandoned, due to the changes in circumstances, and coal being available in Chester from a number of other locations. The Chester Canal, which had not been a financial success, had hoped that links with the Ellesmere Canal would improve their prospects, but when the Ellesmere Act of 1796 had failed to mention any connection with the Chester Canal, they had taken action, and