In 1899 the Great Western and Great Central Joint Railway began construction of a new line, commonly known as the Alternative Route, to link the GWR's existing station at Princes Risborough to the new Great Central line.
I 1899 begyndte Great Western and Great Central Joint Railway at bygge en ny strækning, som almindeligvis blev kaldt the Alternative Route, som forbandt GWR's station i Princes Risborough til den nye Great Central line.