This idea flew in to my head recently and hasn't gone away, in my head it makes sense as a perfect TSW route Chester has TfW of course, so stock from Cardiff can be used, Northern services, and an occasional Avanti 805 (so reskin the LNER 80x). Plenty of stops along the route, including the Liverpool tunnels. 777s are a pretty unique looking EMU, and I'm sure the 507 preservation group wouldn't mind letting 507001 be looked at for adding to the game
oop got distracted halfway through but - Chester - Layers - TfW services, Northern services, Avanti services, some freight, *potential* for route hopping for services to Crewe, North Wales Coast Liverpool - Layers - TfW services, Northern services, Avanti services, TPE? overall it's not a super long route either, and I think fairly unique with it having only 1 place you change ends