Ch. 1 · Common Conduct

What does this sign mean?

[Multiple choice · Easy]

Minimum Speed

Answer: B: Minimum Speed

Explanation

You must not drive slower than the speed shown on the sign. Often set on expressways.

Driving school curriculumStage 1 – Topic 2: Following traffic signals

Hikari
Hikari
This looks just like the last one—so it's a maximum speed limit too?
Yui
Yui
Nope, this one's Minimum Speed. You can't go slower than the number shown.
Hikari
Hikari
Oh! So where would I even see this sign?
Yui
Yui
Usually on expressways. They want to keep traffic flowing, so super slow driving isn't allowed there.

Source: Ch. 1 Common Conduct · Section (第2節 信号) · Rules of the Road, Ch.1 §2 / 2(2) Regulatory signs prohibit certain traffic behaviors or designate specific ways of traveling. The types of signs and their meanings are as listed in Appendix 3(1). This question relates to the “Minimum Speed” 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.