Blisworth Blisworth Blisworth is a village and civil parish in the South Northamptonshire district of Northamptonshire, England. The West Coast Main Line, from London Euston to Manchester and Scotland, runs alongside the village partly hidden and partly on an embankment. The Grand Union Canal passes through the village and the north portal of the Blisworth tunnel is near Stoke Road. It is about south of Northampton, north of Towcester and north of Milton Keynes. The M1 motorway junction 15 is about north east. The 1961 census showed a population of 1,192. By the 2001 census there were 1,786 people in the
Sapperton Canal Tunnel workmanship, as it had to be closed for ten weeks after only a year, while repairs were carried out. It was superseded as the longest canal tunnel in England in 1811 by the Huddersfield Narrow Canal's Standedge Tunnel, which was long when built, later extended to to accommodate the adjacent railway tunnel, and remains the highest, longest and deepest canal tunnel in Britain - though, unlike Sapperton, Standedge can only accommodate . Strood Tunnel on the Thames and Medway Canal was also longer at when it opened in 1824, but was cut in two in 1830 by opening out a