Canal this trend. Yet in other countries canals grew in size as construction techniques improved. During the 19th century in the US, the length of canals grew from to over 4,000, with a complex network making the Great Lakes navigable, in conjunction with Canada, although some canals were later drained and used as railroad rights-of-way. In the United States, navigable canals reached into isolated areas and brought them in touch with the world beyond. By 1825 the Erie Canal, long with 36 locks, opened up a connection from the populated Northeast to the Great Lakes. Settlers flooded into regions serviced by
Neath and Tennant Canal in March 2008. The plate girder aqueduct is believed to be the longest single span aqueduct in the UK. It is wide, and includes a footpath on both sides of the navigation channel. A new car park and slipway were provided from the B4242, and the Clun locks were renovated, to give of navigable canal from central Neath to Abergarwen. Following improvements, the towpath between Briton Ferry and Tonna has become a cycle route, in conjunction with Sustrans, the sustainable transport charity. Several obstacles remain before the canal restoration can be completed. To join the two navigable sections a new