How does a driver's fatigue impact their driving performance?

• A. It increases focus and reaction time
• B. It decreases reaction time and decision-making skills
• C. It has no effect on performance
• D. It improves overall driving skills

Answer: (B)

When a driver experiences fatigue, it significantly impairs their cognitive functions and physical abilities, leading to decreased reaction time and poor decision-making skills. Fatigue affects brain activity and responsiveness, which means that a tired driver may take longer to notice important visual or auditory cues, such as traffic signals or the actions of other road users. Additionally, the ability to process information and make critical decisions in complex driving situations is hindered, increasing the likelihood of dangerous mistakes or accidents. This makes the impact of fatigue on driving performance serious and concerning, highlighting the importance of being well-rested before engaging in driving activities.