the North downs line runs between Reading & Redhill the line runs to stations like Wokingham, Crowthorne,Blackwater, Farnborough North, North Camp, Ash, Guildford, Dorking Deepdene, Betchworth, Reigate & Redhill some stations are managed by Network rail GWR,SWR & GTR the rolling stock is the class 165 Turbo
I made a backdated North Downs line as a lock down project. https://steamcommunity.com/profiles/76561198097011976/screenshots/#scrollTop=0