Ch. 7 · Expressway

Which of the following breakdown warning devices is recommended in the Rules of the Road?

[Multiple choice · Easy]

A.One with a JIS mark
B.One with a TS mark✓
C.One with a PSE mark
D.One with an SG mark

Answer: B: One with a TS mark

Explanation

The Rules of the Road states under "(3) Prepare a Breakdown Warning Device" that "Make an effort to use a breakdown warning device with a TS mark." The TS mark is affixed to products that meet standards established by the National Traffic Safety and Environment Laboratory.

Driving school curriculumStage 2 – Topic 16: Driving on expressways

Hikari

I'd go with a JIS mark—that's the standard quality label I see everywhere.

Yui

Close, but the Rules of the Road recommends one with a TS mark. That's the official standard for breakdown warning devices.

Hikari

TS mark? I don't think I've ever noticed that one before.

Yui

It's from the National Traffic Safety lab—basically, it means the device meets traffic-specific safety standards. Look for TS when you buy one!

Source: Ch. 7 Expressway · Section (第１節高速道路に入る前の心得) · （３）停止表示器材を用意すること停止表示器材は、努めてTSマークの付いたものを使いましよう。

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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.