Idaho ITD CDL General Knowledge Practice Tests

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

451 practice questions: Idaho law plus the rules that apply in every state.

Questions50
Correct to pass40
Passing score80%
Minimum age18 years

Idaho CDL practice tests

Test 1
Test 2
Test 3
Test 4
Test 5

Idaho 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 Idaho CDL test.

About the Idaho CDL test

General Knowledge test. The Idaho CDL manual publishes 50 questions with a minimum of 40 correct. The manual's fee schedule lists CDL products for ages 18 to 21, but ITD does not state a minimum CDL age in plain text.