ELDT Class B CDL Practice Exam 2025 – All-In-One Study Guide to Pass Your Commercial Driver's License

The correct choice highlights various weather-related and environmental factors, such as rain, snow, ice, and construction zones, which can significantly impact vehicle performance.

Rain can reduce tire traction, leading to skidding or loss of control. Snow and ice create hazardous driving conditions, as they can cause similar reductions in traction and increase stopping distances. Construction zones often require changes in lane position, reduced speeds, and heightened awareness of road conditions, all of which can affect vehicle handling and safety.

While heavy traffic and road signs are important considerations for safe driving, they do not directly influence vehicle performance in the same manner as adverse weather and road conditions do. Similarly, excessive speed and sharp turns can impact safety and may lead to accidents, but they are more related to driver decision-making rather than external conditions affecting vehicle operation. Finally, night driving and fog lights are related to visibility rather than direct adverse conditions that impact vehicle performance.