The base game, 'Train Simulator 2018', and the following routes are required to run it:
'Woodhead' - the original 'Classics Range' version, 'Falmouth', 'Isle of Wight', 'West Somerset' and 'Riviera in the 50s'
Starts just north of Princes Risborough
0:40 Ilmer halt
0:58 Thame road bridge
3:05 Brill & Ludgershall
ends at Banbury and starts again just before West Wycombe
8:28 West Wycombe
stops just short of Princes Risborough.
back to before High Wycombe
10:15 Maidenhead branch
11:03 High Wycombe
ends at West Wycombe.