If you like American diesel locomotives (GE and EMD), you want a map featuring coal mines, grain elevators, and steel mills. These maps emphasize low-speed torque, braking, and complex switching puzzles.
The best Trainz Map in the world hasn't been built yet. It is waiting in your imagination. Open Surveyor, click "New Route," and lay that first piece of rail. The destination is up to you. trainz map