User blog comment:Jetdragon69/A beginners guide (from a beginner) to TrainStation./@comment-69.122.66.120-20161023050427/@comment-30067635-20161023155503

You can send IT trains to contractors whose contracts always give you XP and sometimes useful cars, locos and buildings (can help you to increase passenger limit). Also if you have some high level friends you may send them gold (passenger trains) and get gold in response.