a trigger can be generated to send a momentary signal to any form of electronic circuit

This is a Busch 5954 Z Crossing Signal Set with Control

Model Number: 95-8048

Trainz Product Id: 12493845

Blackstone Models 500900 HOn3 ProTraxx Snap-Together Track Starter Set ProductID_12415773 a trigger can be generatedThis is a SoundTraxx 500900 HOn3 Scale ProTraxx(TM) Snap Together Track Starter Set Blackstone Models 4 Straight & 16 Curved Track Pieces Track has integrated roadbed with code 70 nickel silver rail. Set includes 16 pieces of 480mm radius curved sections, 4 pieces of 228mm straight sections and one Power Joiner with 3 feet of wire. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Blackstone Models Model