# MenkyoQuest — Question ch1_sign_21

Chapter: Ch. 1 Common Conduct
Section: 第２節 信号
Type: True/False
Difficulty: easy

## Question
A warning sign with a black diamond on a yellow background indicating "railroad crossing ahead" gives advance notice of a railroad crossing ahead and calls for caution.

## Correct answer
True

## Explanation
According to the Rules of the Road, warning signs give advance notice to road users of hazards or situations requiring attention on the road, and a sign indicating a railroad crossing ahead is given as an example. A black diamond on a yellow background is the characteristic feature of warning signs.

## Driving school curriculum
Stage 1 – Topic 2: Following traffic signals

## Source passage (Rules of the Road)
Rules of the Road, Ch.1 §2 / 2(4) Warning signs alert road users in advance to hazards or situations on the road that require caution. Types and meanings are listed in Appendix 3(1).

## Tags
警戒標識, 踏切あり, 標識の意味, 黄色地に黒

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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.