When a yellow arrow signal is shown, all vehicles may proceed in the direction of the arrow.

Explanation

False. A yellow arrow applies only to streetcars. All other vehicles must obey the yellow or red light. (Source: Order for Enforcement of the Road Traffic Act, Article 2)

Guides that explain this

• Japanese Signs That Mean the Opposite of What You Assume: Crosswind, End of Restriction, Minimum Speed
• Japanese Road Signs on the Written Test: The 5 Types Explained

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