Illinois CDL Practice Exam

In adverse weather conditions, how should a driver adjust their speed?

1. Increase speed

2. Maintain current speed

3. Reduce speed and increase following distance

4. Speed up when possible

The correct answer is: Reduce speed and increase following distance

In adverse weather conditions, reducing speed and increasing following distance is crucial for safe driving. Weather factors like rain, snow, fog, or ice can significantly affect road conditions and a vehicle's handling abilities. When a driver reduces speed, they allow themselves more time to react to unforeseen hazards or changes in road conditions. Slower speeds help maintain control over the vehicle, reducing the likelihood of skidding or losing traction, which can happen more easily in wet or icy conditions. This cautious approach enables drivers to navigate turns and stops more effectively and minimizes the chance of accidents. Increasing following distance is equally important in poor weather. A greater distance between vehicles provides additional time to react if the vehicle in front suddenly stops or encounters an issue. Overall, these adjustments are essential for maintaining safety on the road when facing adverse weather.