the Epson Downs branch runs between Sutton & Epsom Downs the line has stations it calls at Sutton, Belmont, Banstead & Epsom Downs the trains run on the line are the class 377 & class 455
Included in the Sutton and Mole Valley lines freeware available here: https://alanthomsonsim.com/downloads/the-sutton-and-mole-valley-line-v2-1-w-i-p/