DMV Exam Test
Menu

South Carolina SCDMV CDL General Knowledge Practice Tests

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

456 practice questions: South Carolina law plus the rules that apply in every state.

A road through marshlands with palmetto trees, a typical landscape of South Carolina

South Carolina CDL practice tests

South Carolina 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: 50 questions and a pass mark of 40, like the South Carolina CDL test.

About the South Carolina CDL test

SCDMV issues a commercial learner's permit at 18; a CDL holder must be 21 to drive outside South Carolina. Federal rule 49 CFR 383.135 sets the 80 percent passing score; the item count for the South Carolina general knowledge test is not published.