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General Knowledge 

The General Knowledge CDL permit test preparation tools are designed to help you study for the General Knowledge written test you will take if you want to get a CDL. 

The General Knowledge CDL permit knowledge test is for ALL commercial drivers (CDL Class A, B and C).

The tools below contain general knowledge and safe driving practices which ALL commercial drivers should know, including hauling cargo safely.  You must take a test on this information to get a CDL. These written tests are usually administered at your local DMV office.

As part of the course you will find two helpful tools.  Both are designed to help you learn the CDL concepts by using a “question and answer” format:

Course Content – This is a resource that is in quiz format. As you take the quizzes, you will see the correct answer. Use the quizzes to learn important CDL concepts for the topic.

Practice Tests – You will be asked specific questions that may be on the CDL written test you will take to get your CDL permit or Endorsement. The tests give you the correct answer so that you can learn as you test.

The test questions are very similar to the questions you will see on the state CDL permit written test.


The following topics are included in General Knowledge:

  • Vehicle Inspection

  • Basic Control of Your Vehicle

  • Shifting Gears

  • Seeing

  • Communicating

  • Space Management

  • Controlling Your Speed

  • Seeing Hazards

  • Distracted Driving

  • Aggressive Drivers/Road Rage

  • Night Driving

  • Driving in Fog

  • Winter Driving

  • Hot Weather Driving

  • Railroad-highway Crossings

  • Mountain Driving

  • Driving Emergencies

  • Anti-Lock Braking Systems

  • Skid Control and Recovery

  • Accident Procedures

  • Fires

  • Alcohol, Other Drugs, and Driving

  • Staying Alert and Fit to Drive

  • Hazardous Materials Rules

  • Inspecting Cargo

  • Cargo Weight and Balance

  • Securing Cargo

  • Cargo Needing Special Attention

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