Why is driver fatigue considered a significant safety issue?

Driver fatigue is recognized as a significant safety issue primarily because it impairs attention, reaction time, and decision-making ability. Fatigue can lead to a state where a driver is less aware of their environment, struggles to focus on the road, and may not respond to hazards in a timely manner. This impairment can result in slower reaction times to sudden changes, such as traffic signals or obstacles, increasing the risk of accidents.

Moreover, fatigued drivers often exhibit poor judgment and decision-making skills, which can lead to dangerous choices while operating a vehicle. They may misjudge the speed of oncoming traffic or fail to properly gauge stopping distances. The cumulative effects of fatigue can be similar to those of alcohol impairment, making it a critical issue that needs to be addressed to ensure safety on the roads.

The other options do not accurately reflect the implications of driver fatigue. Enjoyment and cost reduction in commercial driving are not relevant to safety concerns. While taking breaks can be beneficial for addressing fatigue, it does not inherently connect to the dangers posed by driving while tired. Thus, the primary reason why driver fatigue is a significant safety issue lies in its detrimental effect on vital driving skills.