 On 1 October 1863 the Wycombe Railway opened a branch from Princes Risborough railway station to Aylesbury railway station on the western side of Aylesbury, leaving Aylesbury as the terminus of two small and unconnected branch lines.Meanwhile, north of Aylesbury the Buckinghamshire Railway was being built by Sir Harry Verney.The scheme consisted of a line running southwest to northeast from Oxford to Bletchley and a second southeast from Brackley via Buckingham to join the Oxford–Bletchley line halfway along its length.