Complex sentence: The road begins at Wicksteed Park in the outskirts of Kettering, Isham, Great Harrowden and goes on to form the Wellingborough western bypass before crossing into the Borough of Milton Keynes (and traditional Buckinghamshire).
Split into simpler sentences: The road begins at Wicksteed Park in the outskirts of Kettering. After this it goes on to form the Wellingborough western bypass before crossing into the Borough of Milton Keynes (and traditional Buckinghamshire).