Western Kentucky was designed as a one player SAM (Stand Alone Map). It plays in 3 Eras which run from 1956 to 2005. It features a good deal of new content. There are no crossovers – you must switch through to cross an existing track. Within the zip file you will find a Goods List which you will find helpful. If you wish to play against AI, you might want to open the RRT_Bridges_Western_Kentucky.xml and change the overlap bridge prices to 1500. This will allow you to cross over AI tracks. I hope you enjoy Western Kentucky. ~ Slider38