Ch. 1 · 第２節 信号
On a road where there is a "Side-by-Side Riding Permitted" sign, two or more bicycles may ride side by side, and mopeds may also ride side by side.
[True / False · Medium]
Answer: False
Explanation
The "Side-by-Side Riding Permitted" sign is an indication sign that shows bicycles may ride side by side, but it does not apply to mopeds. According to the Rules of the Road, supplementary signs and other indicators specify the types of vehicles to which regulations apply, and this sign applies only to bicycles.
Source: Ch. 1 · Section (第２節 信号) · 第２節 信号、標識・標示に従うこと（2. 標識の意味）
See the glossary for definitions of key terms.