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 deciding to add the "W", and at the same time as the numbers were altered, it ensured that all bridges carried a number on both sides. The work was due to be completed by July 2008, but there were delays due to manufacturing difficulties with the new castings. The Llangollen Canal passes through Hindford, Saint Martin's, Preesgweene, Chirk Bank, Chirk and Froncysyllte, and includes the Chirk Aqueduct, the Chirk Tunnel and the Pontcysyllte Aqueduct. This section was built as a navigable feeder and is both shallow and narrow. Some sections near Llangollen are too narrow for boats to pass each