On trainz sim2 for ios are DLC's added to trainyard

[qantas747400]

This is a question as i want to add the acela express to my layout, and i am buying the Electric commuter DLC to get it. But is it added to my railyard or does it stay in the included layout

 

[JCitron]

This is a question as i want to add the acela express to my layout, and i am buying the Electric commuter DLC to get it. But is it added to my railyard or does it stay in the included layout

Like any version of Trainz that has the Railyard, any trains you add go in there to use on other routes including those you create.