Iowa
CDL Learner Permit Training
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You must obtain and maintain your CDL in your state of residence. This is normally the state where your regular driver\'s license was issued. If you plan on moving soon, you may want to choose your new state of residence.
Iowa CDL Requirements | DMV Locations Fees | Forms | FAQs | FREE CDL INFO
Find official Iowa CDL test requirements to get your IA CDL - FREE information - FAST and EFFICIENT.
Jump to official Iowa CDL website information.
Classes of Iowa CDL and Required Tests
Texas CDL Endorsements
Iowa CDL Info | Iowa CDL Requirements
Iowa CDL (commercial driver's license) License Fees
You will need to pass the Iowa Knowledge Tests that are required for the class of license, restriction, and endorsements you wish to possess. A general knowledge test for the Class A or Class B and C license must be successfully completed by all CDL applicants. The information needed to pass these tests is contained in the FREE Iowa CDL Handbook. Please read and study this manual carefully.
- Class A (commercial) Two years min. - Five to eight years max. $8 per year
- Class B (commercial) Two years min. - Five to eight years max. $8 per year
- Class C (commercial) Two years min. - Five to eight years max. $8 per year
- Double/Triple trailers $5
- Passenger $10
- Tank vehicles $5
- Hazardous materials* $5*
- School bus $10
- Remove air brake restriction $10
You will need to pass the Iowa Knowledge Tests that are required for the class of license, restriction, and endorsements you wish to possess. A general knowledge test for the Class A or Class B and C license must be successfully completed by all CDL applicants. The information needed to pass these tests is contained in the FREE Iowa CDL Handbook. Please read and study this manual carefully.
- Class A - 70 Questions (50 GK + 20 Combination Vehicles) - Skills test required.
- Class B - 50 Questions - Skills test required.
- Class C - 50 Questions - Skills test required for bus, school bus and air brakes vehicles..
- Passenger Endorsement - 20 questions - Skills test required in bus.
- School Bus Endorsement - 25 questions - Skills test required in school bus.
- Doubles/Triples Endorsement - 20 questions - No additional skills tests.
- Tank Vehicle Endorsement - 20 questions - No additional skills tests.
- Hazardous Materials Endorsement - 30 questions - No additional skills tests.
- Air Brake Restriction Removal - 25 questions - Additional skills test in vehicle with Air Brakes.
Quickly access the most complete and accurate Official Iowa CDL Information
Access to official web pages maintained
by the State of Iowa
by the State of Iowa
- Iowa CDL - Main Information Page
- Iowa CDL - Commercial Learner's Permit (CLP)
- Iowa CDL - Rules and Regulations
- Iowa Driver's License Types and Fees
- Iowa Driver's License Issuance Sites by County
- Iowa CDL - Hazardous Materials Endorsement Info
- Iowa CDL - Farm Drivers and Vehicles
- Iowa CDL - Medical Certification Requirements
- Iowa CDL - Medical certification requirements FAQs
Access Official Federal CDL General Information
Access Official Federal CDL Medical Requirements Info
Access Official Federal CDL Hazardous Materials Info
CDL Class | Tests Required | Possible Endorsements and Required Tests | ||||||||||||||
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Class A (Combination vehicle endorsement required) |
General Knowledge Written Exam Combination Endorsement Written Exam Road Exam |
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Class B |
General Knowledge Written Exam Road Exam |
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Class C |
General Knowledge Written Exam Road Exam Note: If upgrading to a Class C from a Class D, no road test is required UNLESS the endorsement requires one. |
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Exam | Time Allowed (Minutes) | # of Questions on Exam | # of Correct Answers Needed to Pass |
---|---|---|---|
General Knowledge | 60 | 50 | 40 |
Air Brakes | 25 | 25 | 20 |
HazMat | 30 | 30 | 24 |
Tank | 20 | 20 | 16 |
Passenger | 20 | 20 | 16 |
Doubles/Triples | 20 | 20 | 16 |
Combination Vehicles | 20 | 20 | 16 |
School Bus | 20 | 20 | 16 |
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