Historical version 3 of Bus Station (view current version)
From here you can catch the magical Oxford Tube, or any number of other national coaches. There is an information desk hidden away in a corner of the station. It's best use is if you're unsure where your bus stops. The timetables use the term Gloucester Green very loosely, sometimes meaning one of the stops near Pizza Hut (George Street).
OS X co-ord:
450950
OS Y co-ord:
206407
(Latitude:
51.753581
Longitude:
-1.261806)