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Pennsylvania PennDOT CDL General Knowledge Practice Tests

The general knowledge test every commercial driver license applicant takes. Practice with 5 tests built like the real Pennsylvania exam, then try the full simulation.

450 practice questions: Pennsylvania law plus the rules that apply in every state.

A road through rolling farmland with stone farmhouses, a typical landscape of Pennsylvania

Pennsylvania CDL practice tests

Pennsylvania CDL exam simulator

Answer at your own pace. After each question you see the correct answer and why, and at the end a review of what you missed.

  • Random practice: 20 random questions; pass with 16 correct, the same ratio as the real test.
  • Exam simulation: 70 questions and a pass mark of 56, like the Pennsylvania CDL test.

About the Pennsylvania CDL test

PennDOT publishes 70 questions for the Class A commercial knowledge test and 50 for Class B and Class C. The passing figure shown applies the 80 percent federal standard, which PennDOT does not restate, and the minimum age is not published on the PennDOT commercial pages; both are listed as unconfirmed.