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 appeal against closure, and gave the first hints that such canals could be retained because of their social value for recreation. Hugh McKnight, the editor of the Inland Waterways Association's "Bulletin", wrote an optimistic report in 1966, pointing to the achievements of the first 20 years of the organisation's existence, mentioning the changes in public opinion concerning the canals, and pointing particularly to the growth in leisure use on the Llangollen Canal and the Oxford Canal. Official attitudes changed, and the provisions of the Transport Act 1968 placed the canals under the control of the British Waterways Board, who were