signal aspect

Noun

(rail transport) The visual appearance of a railway signal

Japanese Meaning

鉄道信号の視覚的な表示状態や外観

The driver slowed the train after spotting a prolonged yellow signal aspect on the main line.

運転士は本線上で長時間続く黄の信号機の現示を確認して列車を減速させた。

Sense（1）

(rail transport) The visual appearance of a railway signal

signal aspects

（ plural ）