wye switch
English
Noun
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/51/Wye_switch.jpg/220px-Wye_switch.jpg)
wye switch (plural wye switches)
- (rail transport, US) A railroad switch, having a Y shape, in which one line splits into two lines that diverge at equal angles.
- 1909, Interstate Commerce Commission, Accident Adjustment Report[1], page 30:
- When the wye switch is opened the home signal is automatically set at danger and the distant signal at caution.