To get the Railroad Crossing Signals working, I use Block Detector Units. So each freight car have two wheels with resistance paint on there axle wheel of 10 kilo ohm.
Ronaldshobby story
My livingroom I build this livingroom Railroad in H0 scale in 2022.
Double level Module layout for the possibility to park 5 train sets of 25-30 freight cars in a tunnel.
The story you can read on my website; “www.ronaldshobby.com”
Go to : “H0 scale”/”Livingroom Railroad (2022)”