Illinois CDL Practice Exam

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Prepare for the Illinois CDL Exam. Study with flashcards and multiple-choice questions, complete with hints and explanations. Boost your confidence and get ready to pass your CDL exam!

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What is the maximum allowable weight for a single axle on a commercial vehicle?

  1. 10,000 pounds

  2. 15,000 pounds

  3. 20,000 pounds

  4. 25,000 pounds

The correct answer is: 20,000 pounds

The maximum allowable weight for a single axle on a commercial vehicle is 20,000 pounds. This standard comes from federal regulations which aim to ensure safety and reduce wear and tear on roadways. Each axle on a vehicle is designed to support only a certain amount of weight, and exceeding this limit can lead to various issues, including decreased vehicle handling, increased stopping distances, and greater wear on tires and suspension systems. Understanding this weight limit is critical for commercial drivers, as it helps them maintain compliance with regulations while ensuring the safety and efficiency of their vehicle operation. In addition, it is important for drivers to be aware of the overall weight limits for their vehicle configurations, as they can differ based on the total number of axles and the vehicle’s design.

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