イエローゾーン

noun

yellow zone

A loanword from English, used in contexts such as traffic signals, warning areas, or graded risk levels. Not a deeply integrated Japanese word; often used in technical or international settings.

• 信しん号ごうがイエローゾーンに入はいったら、安あん全ぜんに停てい止ししてください。

  When the signal enters the yellow zone, please stop safely.