**Fatigue** is a state of tiredness that can be **physical** or **psychological** and is one of the main risks when driving. Maintaining an **excessive speed** is one of the causes that can lead to driver fatigue.

- **Excessive speed**: Driving at high speeds requires greater concentration and physical effort, which can lead to fatigue. The need to be constantly alert and react quickly to changing road conditions increases the risk of tiredness.

- **Symptoms of fatigue**: When a driver is fatigued, they may experience difficulty concentrating, reduced vision and hearing, and a feeling of nervousness and irritability. These symptoms can worsen if high speed is maintained for long periods.

Therefore, it is important to avoid maintaining an excessive speed to reduce the risk of fatigue and improve safety at the wheel.