Railworks America

Hello guys, basically I created a locomotive in 3ds max, made all the textures but I have precisely and absolutely zero idea how to work with these railworks shaders, like I literally do not understand them and I need a really good explanation thanks.

This is the desktop version of the link posted above. It lets you navigate to the archives you will need to. http://the-art-of-rws.blogspot.com/?m=0