There are 2 files "Signal Challenge Save" and "Signal Challenge"
Signal Challenge Save is my saved game, its finished all trains, tracks and vehicles are there but i have stoped all trains at the lower level and removed all signals, its up to you to replace them before you start the trains.
Signal Challenge is the empty scenario there your free to build it all your selve.
It is made with a original (default) Objectdata file the only alien file you maybe need is the boundary marker, its not used but i found it later in my file.
I allso recommend to use non breakedown trains, you have only 2 locomotives and a emu at your disposal.
Have fun
