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ID CDL General Knowledge Exam Simulator 2023

What to expect on the actual ID CDL exam

  • 50questions
  • 40correct answers to pass
  • 80%passing score

Taking the Commercial Driver’s Exam at a DMV in Idaho can be an intimidating experience. There are a number of pieces of information that they will expect you to have available and will not let you proceed without them. Then there is the test itself, which can be a bit of a bear. The exam is 50 questions asked in a 60-minute period. If you get less than 80%, that’s just 10 wrong, and you will fail the exam. Unfortunately, you only get one chance per day to take the test, so if you fail, you need to find another day when it will be possible to drop everything and head to the DMV. To make sure you pass, study diligently with the official Idaho commercial driver’s license manual, and take our practice tests as much as you can. Our CDL General Knowledge practice tests will build your confidence and give you a feeling of exactly how tricky the questions can be. But before you even get to the test, assessors will need some information from you. Forget some part of your paperwork and you won’t get very far. They require you bring what is called a Medical Examiner’s Certificate (or DOT Card). You can only get one from a licensed medical examiner, as listed on the Federal Motor Carrier Safety Administration (FMCSA) National Registry. These prove that you are physically qualified to drive a commercial vehicle. Then you also need proof of permanent residence or citizenship status. And finally you need to already have a valid driver’s license. With all that together, and the knowledge that practicing the test grants you, you’ll be ready to go drive Idaho and make a career of it.

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ID commercial driver's license

Perfect for

  • First-time ID CDL and CLP applicants
  • CDL holders adding endorsements
  • ID CDL renewal applicants

Helpful resources

ID CDL Handbook

View the most recent (2023) official ID CDL Handbook.


ID CDL Practice Test App

Download our free iOS or Android app and practice for your driving test offline or on the go.

10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

ID commercial driver's license

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