The chiltern mainline would be a good route London to Birmingham with class 165 and 168s and maybe add make the class 68 a loco add-on so it can be used as freight and passenger
I dont think class 68s run freight anywhere along the chiltern mainline, but I would still love to see a class 68. Birmingham is alot, but something like London-Banbury with Oxford & Aylesbury branch lines would be more realistic, and just as good
No I know they don’t do freight on chiltern mainline but they do freight services else where so you can still use it as a freight train if wanted