Driving with a **blood alcohol level below the legal limit** is still dangerous and increases the likelihood of having an accident. Although the law sets certain permissible blood alcohol limits, alcohol negatively affects the driver even in small amounts.

- **Effects of alcohol on behavior and perception**: Alcohol can create a false sense of security, leading to taking more risks and making mistakes that can cause accidents. Additionally, it affects the ability to see traffic signs, judge distances, and pay attention to the surroundings. It can also cause glare from other vehicles' lights and increase distractions.

- **Coordination and decision-making**: Alcohol impairs movement coordination and lengthens reaction time, which increases the likelihood of making poor decisions while driving.

- **Safe blood alcohol level**: Although there are legal limits, the only completely safe blood alcohol level for driving is **0.0**. This means not consuming alcohol before driving, as any amount can affect the skills necessary to drive safely.

In summary, even with a blood alcohol level within the legal limits, alcohol negatively affects the driver and increases the risk of accidents. Therefore, the correct answer is **"Yes"**, as any amount of alcohol in the body can influence the likelihood of having an accident.