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
Southampton Tunnel partial construction of the Salisbury and Southampton Canal tunnel, which the railway tunnel crosses at an acute angle and slightly higher. Because the canal tunnel was lined with clay "puddle" it collects water which ends up in the rail tunnel making the latter very wet. In the 1960s an access was cut into the canal tunnel in order to examine it, although this was later sealed behind a new segmental wall structure when, between 1983 and 1985, the tunnel underwent extensive engineering works and the line through it was worked as a single line for long periods while remedial work