Ch. 1 · Common Conduct

What does this sign mean?

[Multiple choice · Easy]

Slippery Road

Answer: C: Slippery Road

Explanation

Warns that the road surface may be slippery. Reduce speed especially in rain or icy conditions.

Driving school curriculumStage 1 – Topic 2: Following traffic signals

Hikari
Hikari
Is this about falling rocks or something?
Yui
Yui
Nope, it's "Slippery Road"—the surface might be slick, especially when it rains or freezes. You need to reduce your speed.
Hikari
Hikari
Oh, so it's telling me the road itself is dangerous, not stuff falling on it!
Yui
Yui
Exactly! Keep that in mind whenever the weather turns bad—this sign means extra caution.

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 “Slippery Road” 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.