TS2009 SP4
From TrainzOnline
TS2009 SP4 is the fourth major patch release to the TS2009 product. It is a major upgrade, introducing new features and bringing adding forwards-compatibility with the TS2010 product.
Changes since TS2009 SP3
The following list represents the major user-visible changes in TS2009 SP4 as compared to the TS2009 SP3 patch release.
TBD
