Llangollen Canal an Act of Abandonment in 1944, allowing it to close of canals, including much of the Shropshire Union system. However, the line from Hurleston to Llangollen and onwards to Llantisilio was saved, as it was the main supply of water to the rest of the system. On 6 September 1945, due to inadequate maintenance, the canal breached its banks east of Llangollen near Sun Bank Halt. The flow of hundreds of tons of water washed away the embankment of the railway further down the hill, creating a crater which was long and deep. This caused the first traffic of the
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