Grand Junction Canal Nene at Northampton, to the turnpike road at Old Stratford (north-west of the modern Milton Keynes), and to Watford in Hertfordshire: those to Daventry and Watford were not built. The branch to Old Stratford was amended before it was built (see below). The branch to Northampton was delayed as the plans of the Leicestershire and Northamptonshire Union Canal to reach Northampton and thus join with the Grand Junction came to nothing. The link to Northampton was made by a tramroad transferred from Blisworth Tunnel, with the 5-mile (8-kilometre) canal from Gayton being opened in 1815. The link to Leicester was
Blisworth the Blisworth Canal Partnership who's aims are to promote, maintain and improve Blisworth's Canal environment. The village is the site of the Blisworth Tunnel of the Grand Union Canal and one of the longest on the English canal system. The tunnel runs south to the nearby village of Stoke Bruerne. The canal runs to the south-west side of the village and a bridge carries the main road though the village. The bridge is partly original, partly widened, as the main road carried the A43 trunk road until a by-pass was constructed. The A43 (Northampton-Oxford) Milton Malsor and Blisworth by-pass was