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Signal Playground
Interactive demo of a 4-aspect signal with feather route indicator — based on signal 10, North Station.
Switch Frame
Click a lever to change position
Signal Head
Danger
Lever guide
- G
- Green lever — 3 positions: lever up = Red (danger), lever centre = Dark, lever down = Green (clear)
- Y
- Yellow lever — up = off, down = Yellow on (caution)
- 2Y
- 2nd Yellow lever — up = off, down = 2nd Yellow on (preliminary caution)
- F
- Feather lever — up = off, down = Feather on (diverging route, pointing left)