Ch. 1 · Common Conduct

When a green arrow signal pointing left is displayed, in which direction may a vehicle proceed?

[Multiple choice · Medium]

Answer: A: You may proceed only in the direction of the arrow, which is left

Explanation

According to the Rules of the Road, a green arrow signal indicates that you may proceed in the direction of the arrow. A left-pointing arrow permits only left turns. Note that yellow arrow signals are for streetcars only.

Driving school curriculumStage 1 – Topic 2: Following traffic signals

Hikari
Hikari
If there's a green arrow pointing left, I can go straight too if the main light is green, right?
Yui
Yui
Nope! A green arrow means you can only go in that arrow's direction—so here, only left. The correct answer is the first option: you may proceed only in the direction of the arrow, which is left.
Hikari
Hikari
Oh, so the arrow really limits you?
Yui
Yui
Exactly. Follow the arrow, not the main signal. And remember, yellow arrows are for streetcars only—green arrows are for you!

Source: Ch. 1 Common Conduct · Section (第2節 信号) · Rules of the Road, Ch.1 §2 (Signals, Signs & Markings) / 1. Signals: Drivers must obey traffic-signal lights. When a police officer or traffic-directing officer is controlling traffic by hand signals or flashlight, those signals override the traffic-signal lights.

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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.