# MenkyoQuest — Question ch6_q022

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

## Question
Even during the day, when passing through places such as inside tunnels or thick fog where you cannot see 100 meters ahead, you must turn on your headlights.

## Correct answer
False

## Explanation
The Rules of the Road section "2. Lights (1)" clearly states "even during the day, when passing through places such as inside tunnels or thick fog where you cannot see 50 meters ahead (200 meters on expressways)." The question states "100 meters," which is incorrect.

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

## Source passage (Rules of the Road)
2 灯火(1) 昼間でも、トンネルの中や濃い霧の中などで50メートル(高速道路では200メートル)先が見えないような場所を通行するときも同じです。

## Tags
灯火, 前照灯, トンネル, 視界, 数値

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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.