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Based on official Idaho exam questions

ID CDL Pre-Trip Inspection Marathon

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Ready to put your new knowledge to the test? This Idaho CDL Pre-Trip Inspection Marathon is a new practice test that contains a combination of all 91 questions that we have available for this ID endorsement. If you select a wrong answer, we’ll remember that question and will display it to you again at the very end of the Marathon until you’ve answered that question correctly. In other words, the Marathon will cycle through your missed questions until you answer each one correctly. You must make a 100% to pass. We suggest you attempt this one after you have practiced the state’s “regular” tests, but before the “Exam”. It might take some time, but you can do this!

16 min to complete
Available in EN and ES
ID commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Idaho

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

Get your money back if you don’t pass

Verified for accuracy: October 2025

Reviewed by Steven Litvintchouk, M.S.
Chief Educational Researcher (ACES member)
Methodology & Editorial Policy

What to expect on the actual ID exam

20

questions

16

correct answers to pass

80%

passing score

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