i tryed downloading these railroad signs from http://www.vodhin.net/RCT3Community/down...p?view.387
but i dont know where to save em to =/

I think C:/Program Files/RCT/Scenery, but I'm not sure.

Click here for all your custom scenery needs from installing to making it.
http://www.rct-theme-world.de/rct-liste/...e-list.htm
Note: Custom Scenery can cause conflict with your game.

ok, thx for the help, but the scenery file is actually in, C:Programfiles/Atari/RCT3/Style/Vanilla
found it after some digging in the file

No. You have to save it under My documents\RCT3\Scenarios