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Iowa CDL Practice TestAce The CDL On First Try

Our free Iowa CDL practice tests feature all Iowa CDL test subjects. We recommend taking at least one practice exam from every subject to guarantee your success at your local testing location. To get started, choose a category from the list below and practice them!

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Iowa CDL practice test 2025

Our FREE Iowa CDL practice test based on the Iowa CDL manual will help you easily pass your CDL exam. Did you know that the biggest corp in Iowa is soybeans instead of corn? That’s the knowledge you only could gain if you are starting a career driving agricultural products. But you’ll need an Iowa CDL (commercial driver’s license) first that’s something you should consider doing. The Iowa DMV issues a 2-year license for just $8 regardless of which class of vehicle (class A, B, or C). There are added $5 or $10 fees if you want an enhanced endorsement like passenger and school buses, double/triple, tankers, hazardous materials, or air brake restrictions. Our CDL Iowa practice test gives you advantages so that you’ll only have to visit once. With our significant features, you will find the Iowa dot CDL test is easy to pass with flying colors.

How do you get a CDL in Iowa?

To obtain this permit, you must:

  • Provide proof of identity, residency, and SSN.
  • Provide Medical Examiner's Certificate and SelfC-Certificate.
  • Provide a $12 CLP fee.
  • Complete CDL application.
  • Agree to drive record check.
  • Pass a written knowledge test for the class and endorsements you want.
  • Do I need a CDL in Iowa?

The vehicle being pulled must not be more than 10,000 pounds. A driver with an Iowa Class B CDL (plus appropriate endorsements) can also legally operate all vehicles in Class C or D.

Is the Iowa CDL test hard?

The CDL general knowledge test is required to be taken by all CDL applicants. The Iowa CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Iowa CDL 

How long is a CDL good for in Iowa?

Continue to drive vehicles by yourself (unaccompanied) that your existing license or CDL is valid for. The cost of the CLP is $12. The permit is valid for one year from the date of issuance, with no renewal period.

Do you need a CDL for air brakes in Iowa?

Remove full air brake restriction

If you complete a driving test in a commercial vehicle that is equipped with air over hydraulic brakes (not full air brakes), you must have a restriction on your CDL indicating you cannot operate commercial motor vehicles that are equipped with a full air brake system.

Is the Iowa CDL test multiple choice?

These 50 multiple-choice questions, complete with hints and explanations, help you prepare for your Iowa CDL written exam by using information and practice questions based directly on the Iowa Commercial Driver License Manual, as well as national and state laws.

How much does it cost to get a CDL license in Illinois?

Fees For Getting Your CDL Illinois:

Original, renewal, or transferred commercial driver license: $60. Adding/removing an endorsement/restriction: $5. School bus permits: $4.

What do I need to renew my CDL in Iowa?

Proof of citizenship or lawful presence to renew your CDL

Certified copy of U.S. birth certificate.

Valid U.S. passport.

Consular Report of Birth Abroad (CRBA)

Certificate of Naturalization.

Certificate of Citizenship.

How long is the CDL written test good for?

When you pass your knowledge tests and obtain your CDIP, it will be valid for a period of 6 months. It can only be renewed once within a 2-year period from the original date of issue.

What do you need to get a driver's license in Iowa?

  • New Iowa residents obtaining a driver's license or ID
  • Present acceptable proof of identity, residence, and Social Security number.
  • Not be canceled, suspended, or revoked in any state.
  • Pass a vision test, all applicable written test(s), and a driving test.
  • Pay applicable fees.