About the release: it’s explained here http://www.train-fever.com/2014/08/beta-game-play-videos/#comments
admin on August 27, 2014 at 14:01 said:
No. There is only one release date (September 4). However, at the moment it is not correctly set on Steam. It’s set to 09/04/14 17:00 PDT, which is actually September 5 in Europe.
We will change this very soon so that the release date is September 4 in Europe as well.