(・3-aspect automatic signal. 2) Three seconds after the last car passes, the signal changes from red to yellow, and after another three seconds, from yellow back to green. 1) When the leading car's wheels touch the rail sensor, the signal changes from green to red.
The NON-US x1 Kato UNITRACK N Scale 20-421 Signal Bridge 124mm is perfect for individuals who are looking for high-quality, accurate trackage for their model railroading projects, particularly those using the Kato UNITRACK N Scale railroad system.