Reply to "im new to the hobby, how do i make 2 different power districts?"

The above suggestion about wire size and # of connections from transformer to track are very important, but fastrack can have another electrical continuity problem with the center rail connection between two pieces of track. Watch the following Lionel Video Tutorial. You can skip to the 1min45sec mark to see the fix. https://www.lionelsupport.com/....cfm?documentID=6968