Repeated moving objects

[Freebound]

I was drafting out a new map to create and i wanted it to be based around a moving train. The problem is, is that to make the train apear to be moving, the scenery around it must be moving in itself. I know i could make animated textures to give a scrolling effect, but i want to put various repeated objects flying by such as trees and hills. Is there a way to do this and make it playable?

 

[63]

Why don't you get the train to move?

 

[Penguin929]

could you just make it go in a big circle around a mountain or something?

 

[Limpet]

If its for css or hl2dm than you're going to want everything except what the players can stand on moving. ie, everything but the train.
Source doesn't handle that very well right now.