Traffic Control and Traffic Violation

Q1 What is the difference between drunk driving and driving under the influence of alcohol?

Drunk driving is defined as driving in the state of being unable to drive properly due to the influence of alcohol regardless of the amount of alcohol in your body. (Punishment: Up to five years in prison or a fine of a million yen or less)
Driving under the influence of alcohol is defined as driving with more than 0.15 mg of alcohol per liter in the expired breath or more than 0.3 mg of alcohol per milliliter in the blood. (Punishment: Up to three years in prison or a fine of five hundred thousand yen or less)