Pass your DMV Written Test with flying colors

DMV-Written-Test strives to help everyone pass their Iowa DOT CDL test on their first attempt.  Thousands of prospective license holders utilize our practice tests and Iowa CDL cheat sheets every day to help better understand the questions they will face on their written tests.  The practice tests and cheat sheets you will find here are based on the 2022 Iowa Commercial Driver Manual.  They are available in both English and Spanish.  The practice exams are graded instantly with feedback and correct answers provided.  The data here is current as of December, 2022.

The Iowa CDL practice tests and cheat sheets you will find here are perfect for your Iowa First Time CDL and CLP applicants, existing Iowa Commercial Drivers License holders, and Iowa CDL renewal applicants.  All questions are from actual DOT administered CDL written tests that your peers submit.  The written portion of the official IA CDL test will cover information from the Iowa Commercial Driver Manual.  It is designed to help you safely and effectively operate a commercial motor vehicle.  Questions will be based on road rules, traffic signs, and driving laws.

Different Iowa CDL Classes

Iowa classifies commercial vehicles that require a CDL to drive as follows:

• Class A: Operate vehicles weighing more than 26,001 pounds that tow trailers or other vehicles weighing over 10,000 pounds.
• Class B: Operate vehicles weighing more than 26,001 pounds and tow trailers or vehicles that weigh less than 10,000 pounds.
• Class C: Operate vehicles that can transport 16 or more people or vehicles that transport hazardous materials.

IA CDL Exam at a Glance

You can expect to see 50 questions on your IA DOT exam.  You must get 40 answers correct to pass your test.  This represents an accuracy score of 80%.  You must be a minimum of 18 years old to apply and take your Iowa CDL test.  The test fee for each of the CDL classes is $25.