# MenkyoQuest — Question ch6_trap_05

Chapter: Ch. 6 Hazardous Areas
Section: 第3節 夜間 - 灯火
Type: True/False
Difficulty: medium

## Question
In dense fog during the daytime when visibility is less than 100 meters, you must turn on your headlights, clearance lights, tail lights, and other lights while driving.

## Correct answer
False

## Explanation
The Rules of the Road specify that you must turn on your lights when driving in places where you cannot see 50 meters ahead, such as in tunnels or dense fog, even during the daytime. The correct distance is 50 meters, not 100 meters.

## Driving school curriculum
Stage 2 – Topic 7: Driving in adverse conditions

## Source passage (Rules of the Road)
Rules of the Road, Ch.6 §3 (Night) / 2 Lights (1) — Even in daytime, turn on your headlights, side lights, and tail lights when you cannot see 50 m ahead (200 m on expressways), e.g. in tunnels or thick fog.

## Tags
灯火, 濃霧, 数値, 昼間, 視界不良

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Source basis: National Police Agency's official Rules of the Road manual (Public Domain under Article 13 §2 of Japan's Copyright Act).
Copyright on AI-drafted explanations belongs to the MenkyoQuest team.