Ch. 7 · Expressway

I was in a hurry, so I entered the main lane of the expressway without using the acceleration lane at the entrance, but as long as I did not obstruct vehicles traveling on the main lane, there is no problem.

[True / False · Medium]

Answer: ✕ False

Explanation

When entering the main lane and an acceleration lane is present, you must use the acceleration lane to accelerate sufficiently. There is also a rule that you must not obstruct vehicles traveling on the main lane, but using the acceleration lane itself is mandatory.

Driving school curriculumStage 2 – Topic 16: Driving on expressways

Hikari
Hikari
As long as I don't cut anyone off when I merge, skipping the acceleration lane should be okay if I'm in a rush, right?
Yui
Yui
Nope, that's false! You have to use the acceleration lane to speed up properly — it's not optional even if you're careful.
Hikari
Hikari
Wait, so both things are required?
Yui
Yui
Exactly! Use the acceleration lane AND don't obstruct traffic. Both rules matter.

Source: Ch. 7 Expressway · Section (第2節 1 本線車道へ入るときの注意 (1)(2)) · Rules of the Road, Ch.7 §2 (Driving on expressways) — Enter the main lane at sufficient speed after using the acceleration lane and signalling. Maintain the posted minimum speed and lane discipline. Do not stop or park on the main lane or shoulder except in emergencies; use hazard lights and emergency phones.

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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.