Ch. 7 · 第２節 走行上の注意
When the road surface is dry and tires are new, at 80 km/h you need to maintain a following distance of about 100 meters.
[True / False · Hard]
Answer: False
Explanation
Rules of the Road Chapter 7, Section 2, 2(4) specifies, "At 80 km/h, you need to maintain a following distance of about 80 meters." The required distance corresponds to speed: about 100 meters at 100 km/h, and about 80 meters at 80 km/h. It is not 100 meters.
Source: Ch. 7 · Section (第２節 走行上の注意) · 2 速度 (4) 路面が乾燥していて、タイヤが新しい場合は、時速100キロメートルでは約100メートル、時速80キロメートルでは約80メートルの車間距離をとる必要があります。
See the glossary for definitions of key terms.