Waterloo - Alton/Guildford Route Length approx 60 miles Class 450, 455 included Class 444 add-on Class 158 layers from Waterloo - Woking Class 377 layers at Guildford and Clapham Class 387 layers at Clapham Class 66 layers on freight up main line, on Guildford - Holybourne + Guildford - woking Charter Trains Steam/Deisel moves to WL Class 166 layers between Guildford and Ash Class 465/375 layer at Waterloo East + Battersea bridge Main Routes Waterloo - Alton Waterloo - Guildford Extra bits Aldershot - Guildford Suburban Services with the 455, with 450 subbing on occasionally 450 used on: Waterloo - Reading(Clapham) 2tph Waterloo - Windsor(Clapham) 2tph Waterloo - Weybridge(Clapham) 2tph Waterloo - Alton 2tph Waterloo - Haselmere(Guildford) 1tph Waterloo - Portsmouth Harbour via Basingtoke (Woking) 1tph Waterloo - Poole (Woking) 1tph Waterloo - Portsmouth and SS(Guildford) 1tph Waterloo - Basingstoke(Brookwood) 2tph Farnham - Guildford 2tph Aldershot - Ascot(ash vale) 2tph subs in occasionally on Waterloo - Woking Waterloo - Guildford (Surbiton) 455 used on: every suburban route as far as woking/Guildford 444 add-on used on: Waterloo - Weymouth (Woking) 2tph Waterloo - Portsmouth Harbour (Guildford) 2tph Waterloo - Alton 4tpd Waterloo - Haselmere 4tpd Waterloo - Poole 4tpd 166 used on Reading(Ash) - Redhill(Guildford) Reading(N/A) - Gatwick(Guildford) AI only 66 used on Guildford - Holybourne Oil Guildford - Clapham Brookwood - Clapham Woking Yard DEPOTS Wimbledon Clapham Farnham Woking ROUTE VARIATION Express - fast trains to Woking Commuter - all stopping services in London Semi Fast - Alton + Basingtoke services Proper countryside line: Farnham - Alton - especially Bentley Aldershot - Guildford - especially Wanborough I think this route would incorporate a huge amount of Gameplay diversity within a relatively small space with Express, Semi Fast, Stopper, Rural stopping services, Commuter and freight all in one.
Waterloo to Alton is 48 miles and then the little extension from Woking to Guildford and then the connecting line brings the total to about 60 miles, it would be set in say 2021 with a mix of SWT blue and SWR grey. A full run from Waterloo - Alton takes about 1hr 10mins