Ch. 1 · 第２節 信号
When a flashing red signal is displayed, you must come to a complete stop, confirm safety, and then proceed.
[True / False · Easy]
Answer: True
Explanation
According to the Rules of the Road, a flashing red signal means you must "stop and confirm safety." Unlike a flashing yellow signal, you must stop completely. Remember this distinction.
Source: Ch. 1 · Section (第２節 信号) · 第２節 信号、標識・標示に従うこと（1. 信号の意味）
See the glossary for definitions of key terms.