Have you tried Simutrans? https://www.simutrans.com/en/ https://www.simutrans.com/en/ It's a while since I played it, but it's similar to Transport Tycoon and

Have you tried Simutrans? https://www.simutrans.com/en/ https://www.simutrans.com/en/ It's a while since I played it, but it's similar to Transport Tycoon and seems to have variants ("paksets") with different levels of graphical detail.