Not sure what is in it, but look at Adelaide Module 1 by pigeon kuid 60697 100002
"This is the first module of the South Australian Layout. It consist of the Adelaide CBD area, Adelaide Railway Station, railcar yards and North Adelaide. In the future, further modules will be released which can be merged into this base module, allowing the entire South Australian Railway network to be created. For more details, plase refer to the website at http://www.freewebs.com/trainz-sa/"
Might find something there
tracksupervisor