Driving directly behind another vehicle, I kept enough distance to avoid hitting it if it stopped suddenly.

前の車のすぐ後ろを走るとき、前の車が急に止まっても追突を避けられるだけの距離をとった。

This statement is TRUE

Explanation

True. The rule sets the headway as "the distance needed to avoid a collision if the vehicle ahead stops suddenly". No fixed number of metres is prescribed; it varies with your speed and the state of the road.

Original text

その直前の車両等が急に停止したときにおいてもこれに追突するのを避けることができるため必要な距離を、これから保たなければならない。

Source: Road Traffic Act — 道路交通法第二十六条（車間距離の保持） · Act No.105 of 1960

Guides that explain this

Stopping Distance in Japan: Reaction Distance + Braking Distance
Overtaking and Lane Rules in Japan: Where It Is Banned, and How

Driving directly behind another vehicle, I kept enough distance to avoid hitting it if it stopped suddenly.

Explanation

Original text

Guides that explain this

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