add more steam locomotives to the game and subway networks with subway trains since that is technically a form of train. also add NPC station guards to the game on every platform to give that realistic vibe to the game. you should include switchboxes and switchbox towers with operators in the windows. include in the game bullet engines and road opposite to the railway so when the train goes by you see realistic cars bus and vans driving by. you should include a countryside realistic background in the distance with livestock.you should add passengers boarding and station managers so then you get a realstic effect of the station. you should include trams and a city scenic view with reastic missions and a train robbry scenrio.