What is a typical sign of driver fatigue?

A typical sign of driver fatigue includes difficulty concentrating or frequent yawning. Fatigue can significantly impair a driver's ability to maintain focus and alertness, leading to decreased reaction times and poor decision-making. Yawning is a physiological response to tiredness, indicating that the body is signaling a need for rest. Difficulty concentrating further emphasizes how fatigue affects cognitive functions, making it challenging for drivers to process information about their surroundings or respond appropriately to changing conditions on the road.

In the context of this question, increased speed and listening to loud music do not directly indicate fatigue; in fact, they can sometimes be signs of overcompensation or distractions that might lead to more significant risks. Frequent stops could suggest a lack of planning or rest breaks, but they don’t inherently suggest driver fatigue. Thus, recognizing the signs of fatigue is crucial for maintaining safety on the road.