Ch. 7 · Expressway

On the main lane of an expressway, when no maximum or minimum speed is specified by signs or road markings, which combination of maximum and minimum speeds is correct for large passenger vehicles?

[Multiple choice · Medium]

Answer: B: Maximum speed 100 km/h, minimum speed 50 km/h

Explanation

According to the table in Rules of the Road Chapter 7, Section 2, 2(3), large passenger vehicles fall under the category of "large passenger vehicles, medium vehicles other than specified medium freight vehicles, semi-medium vehicles, ordinary vehicles (excluding three-wheeled vehicles), large motorcycles, and ordinary motorcycles," with a maximum speed of 100 km/h and a minimum speed of 50 km/h.

Driving school curriculumStage 2 – Topic 16: Driving on expressways

Hikari
Hikari
Large passenger vehicles are big, so maybe the max is 90 km/h to be safer?
Yui
Yui
Good guess, but it's actually 100 km/h max and 50 km/h min! Large passenger vehicles fall into the same category as regular cars for expressway speed limits.
Hikari
Hikari
Wait, so they can go just as fast as normal cars?
Yui
Yui
Exactly—100 max, 50 min. Just remember they're treated like ordinary vehicles in this case!

Source: Ch. 7 Expressway · Section (第２節 走行上の注意) · 2 速度 (3) 標識や標示で最高速度や最低速度が指定されていない高速自動車国道の本線車道では、次の最高速度を超えたり、最低速度に達しない速度で運転してはいけません。【表：大型乗用自動車等 最高速度100 最低速度50】

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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.