Route info: 73 miles Stations: - London Marylebone - Wembley Stadium - Sudbury & Harrow Road - Sudbury Hill Harrow - Northolt Park - South Ruislip - West Ruislip - Denham - Denham Golf Club - Gerrards Cross - Seer Green & Jordans - Beaconsfield - High Wycombe - Saunderton - Princes Risborough - Haddenham and Thame Parkway - Bicester Village - Islip - Oxford Parkway - Oxford - Bicester North - Kings Sutton - Banbury Rolling stock: Class 165 Class 168 DLC: Class 68 Layers: Class 220 at Oxford and Banbury Class 166 and 165 at Oxford and Banbury Class 802 at Oxford Why it would be interesting: - Varied timetable (stopping services, semi fast services and express services) - Varied scenery (central London to the chiltern countryside) - Varied speeds, junctions and station approaches to manage - Only London terminus station that isn't electrified - Busy route with lots of traffic both sides - Plenty of layer opportunities at Oxford and Banbury
Has been suggested previously, various permutations and various eras but DTG or a third party yet to bite.