Ch. 1 · Common Conduct

What does this sign mean?

[Multiple choice · Easy]

Falling Rocks

Answer: A: Falling Rocks

Explanation

Warns of possible falling rocks on the road ahead. Often seen on mountain roads.

Driving school curriculumStage 1 – Topic 2: Following traffic signals

Hikari
Hikari
Wait, is this the slippery road one?
Yui
Yui
Common mix-up! This is "Falling Rocks"—it warns that rocks might tumble onto the road ahead. You'll see it a lot on mountain routes.
Hikari
Hikari
Gotcha, so I'm watching out for stuff coming down, not the road being slick.
Yui
Yui
Perfect! Just remember: falling rocks = danger from above, slippery road = danger from below.

Source: Ch. 1 Common Conduct · Section (第２節 信号) · Rules of the Road, Ch.1 §2 / 2(4) Warning signs alert road users in advance to hazards or situations on the road that require caution. Types and meanings are listed in Appendix 3(1). This question relates to the “Falling Rocks” sign/marking (see Appendix 3(1) or 3(2)).

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Source content excerpted from the NPA “Rules of the Road” instructional manual, in the public domain under Japanese Copyright Act Article 13(2). Explanations are AI-assisted and copyrighted by the MenkyoQuest editorial team.