Railworks America

Hi,
I was placing some wagons in one of the free roam scenarios of Soo line route, and i accidently press a button on the keyboard( i don`t know which) that made my tracks float in the air. It is not in the whole route but just part of it.
Also I want to ask how to save consists in railworks.

You probably hit the T key, which dropped the terrain to zero. I don't know how to fix other than reinstalling the route.

Thanks.
It is too bad that there is no way to fix that, but anyway i will reinstall it. I just need to save the consists I made (mixed freights) because it took me long time to make them.