Can we get some detail - mileage? The names of rolling stock? Station? Country? Continent? Planet? Universe? Galaxy? Scenarios? Why its cool?
At least a description from train simulator classic would have been enough. The route is the 2nd highest standard railway in switzerland and built from 1872-1882. It is 110km long and runs from erstfeld to bellinzona set during the construction of the gotthard base tunnel. The route came with a Re 460 electric locomotive with EWIV coaches, cab car and a Res flat wagons. The gotthard rail tunnel was 15km long and the longest during its time. Here is a wikipedia article if you want to learn more. https://en.wikipedia.org/wiki/Gotthard_railway