Ch. 6 · Hazardous Areas

On rainy days, you must drive more carefully than on clear days by reducing speed and maintaining sufficient following distance.

[True / False · Easy]

Answer: ✓ True

Explanation

Chapter 6, Section 4 of the Rules of the Road clearly states: "On rainy days, reduce your speed compared to clear days, maintain sufficient following distance, and drive carefully." Rain creates poor conditions including reduced visibility and slippery road surfaces, making this response necessary.

Driving school curriculumStage 2 – Topic 7: Driving in adverse conditions

Hikari

Rain just means turning on wipers, right? The speed limit stays the same.

Misaki

That's false. This statement is correct—you must reduce speed and increase following distance on rainy days. Visibility drops and roads get slippery.

Hikari

So even if I can see fine, I still need to slow down?

Misaki

Yes. Rain changes road conditions, not just what you see. Slower speed and more space keep you safe when traction is compromised.

Source: Ch. 6 Hazardous Areas · Section (第４節悪天候など) · １雨の日の運転（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.