Activation: standard crossing: down arrow key 1 light gantry crossing: g key 2 light gantry crossing: h key Wigwag: w key You need to hold the activation key until the gates go down. If not, they would stay up Deactivation: standard crossing: up arrow key 1 light gantry crossing: b key 2 light gantry crossing: h key Wigwag: s key (may glitch) Make sure you don't press any other activation key while the train is coming or passing by or they would glitch.
The type of train is randomized. However, the train would only carry tankers. You could remix this if you want. If you want to customize how many tankers you want on the train, then you can click "See inside" and click on sprite 4. You should see a sticky note showing what to do and where to do it. And yes, I know its buggy Put any suggestions in the comments below.