Ch. 6 · Hazardous Areas

While driving on a main road at night, I felt a little drowsy, but because there was little traffic, I continued driving while opening the window to let in fresh air.

[True / False · Medium]

Answer: ✕ False

Explanation

The Rules of the Road state that continuing monotonous driving on main roads for a long time causes drowsiness, and while opening the window to prevent drowsiness is recommended, they advise that if you become even slightly drowsy, you should stop the vehicle in a safe place and rest. Regardless of traffic volume, continuing to drive when feeling drowsy is dangerous.

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

Hikari
Hikari
Opening the window should help, right? And there's hardly any traffic, so it seems fine.
Misaki
Misaki
That's false. Opening the window is a good preventive measure, but once you actually feel drowsy—even a little—you should stop and rest, regardless of traffic volume.
Hikari
Hikari
Oh wow, so the moment I feel drowsy, all bets are off?
Misaki
Misaki
Exactly. Drowsiness is a red line—pull over immediately, no matter how light the traffic feels.

Source: Ch. 6 Hazardous Areas · Section (第3節 夜間 - 夜間の走行) · Rules of the Road, Ch.6 §3 (Night driving) / 1(5) — Driving monotonously for a long time on a main road or the like makes you sleepy. Open the window to let in fresh air to ward off drowsiness, and if you become even slightly sleepy, stop the vehicle in a safe place and rest.

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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.