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- Title
- Model train detectors, crossing signal systems, railroad layout automation
- Meta Description
- Infrared train detectors electronic control system to animate model railroad train signals and crossing gates.
- Meta Keywords
- model railroad, model train, model railway, scale model, crossing gate, crossing signal, grade crossing, block signal, train signal, flasher circuit, controller, road crossing, flashing, detector, sensors, proximity sensor, infrared, train detection, infrared detection, train show, layout, street car, back and forth, automation, animation, accessories, Longmont, Colorado