Traffic Light, Signal, Traffic Signal, Stoplight, Semaphore
noun, verbal noun
If you believe in the numbers, there will be no traffic because the traffic light will be functioning properly. Traffic lights are based all off of traffic data and numbers. You just have to believe and hope it all works out in terms of these traffic lights.
しんごう
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
あ、あそこに信号がある。
Oh, there's a traffic light over there.
赤信号ではちゃんと止まりましょう。
Let's make sure to stop at the red light.
日本では緑信号とは言わずに青信号って言うんだよ。
In Japan, they say "blue light" instead of "green light".