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 Llangollen Marina and the final section is used only by horse drawn trip boats. The current boats maintain a long tradition, which was first offered to visitors in 1884. The towpath beside the feeder is in good condition, and walkers can reach the weir at Horseshoe Falls. British Waterways maintains a gravel shoal immediately upstream of the marina entrance past Llangollen Wharf. This maintains a draught which most narrowboats cannot pass, but which is passable by the shallow draughted trip boats. In 2005, a marina was constructed by British Waterways, just upstream from Llangollen Wharf, to relieve the acute shortage