Ch. 7 · 第２節 走行上の注意
Which following distance is correct when the road surface is wet and tires are worn? (Compared to the following distance when the road surface is dry and tires are new)
[Multiple choice · Hard]
- A.About 1.5 times
- B.About 2 times✓
- C.About 3 times
- D.About 4 times
Answer: B: About 2 times
Explanation
Rules of the Road Chapter 7, Section 2, 2(4) specifies, "When the road surface is wet and tires are worn, a following distance of about twice this amount may be necessary." About twice the following distance required on a dry road surface with new tires is needed.
Source: Ch. 7 · Section (第２節 走行上の注意) · 2 速度 (4) また、路面が雨にぬれ、タイヤが減つている場合は、この約２倍程度の車間距離が必要となることがあります。
See the glossary for definitions of key terms.