18/01/1998 | Great Western and Great Central Joint Railway Line closed until 25th to allow Haddenham and Thame Parkway's platform to be demolished for line re-doubled. |
/11/2004 | Great Western and Great Central Joint Railway Concrete tunnel built over line in open cutting at Gerrards Cross to allow a supermarket and car park to be built over the railway. |
This line is divided into a number of portions.