noun
signal station
A railway facility with signals and switches, used for train passing or overtaking, but without passenger platforms.
この路線にはいくつかの信号場がある。
There are several signal stations on this line.
信号場で列車が行き
Trains pass each other at the signal station.
A marshalling yard for sorting and assembling trains; 信号場 is primarily for passing and overtaking.
Compound of 信号 (signal) and 場 (place/station). The exact historical derivation is uncertain, but the term is a standard railway technical term.