2D road background texture?

Hi,

I’m interested in is the easiest way to do 2d (to simulate 3d) background along the road?
I have an idea to place the cubes next to the road and to put textures on them, but I think it would be inaccurate. What is the easiest way?

Tnx

http://www.youtube.com/watch?v=5FVjc3ha26A

Parallax scrolling background.