subsequently, as reeds were choking the waterway. Route The aqueduct at Sandholme Farm, which carries the canal over a drainage ditch which was already in existence when the canal was built, is largely constructed from red bricks, and has three segmental arches. It is grade II listed. See also Canals of Great Britain History of the British canal system Bibliography References External links Driffield Navigation website 1805 establishments in England Sites of Special Scientific Interest in the East Riding of Yorkshire Canals in the East Riding of Yorkshire History of the East Riding of Yorkshire Canals opened in 1805