Updated for 2026

Free Iowa CDL Practice Test (2026)

Pass your Iowa commercial driver's license exam with our state-specific practice tests and expert-verified questions.

Iowa CDL Requirements

Passing Score80%
Total Questions50
Min. Age18 / 21*
FormatComputerized

*18 for intrastate, 21 for interstate/hazmat

5-Question IA Challenge

Test your knowledge with these state-specific questions.

Question 1 of 5

A passenger car is passing your truck on a two-lane highway. What hazard should you anticipate?

How to get a CDL in Iowa

To obtain a Commercial Driver's License in the Iowa, you must first pass the General Knowledge exam. Depending on the type of vehicle you intend to drive, additional endorsements like Air Brakes, Tanker, or Hazmat may be required.

  • Provide proof of US citizenship or lawful permanent residency.
  • Hold a valid non-commercial driver's license.
  • Pass a Department of Transportation (DOT) medical exam.
  • Obtain a Commercial Learner’s Permit (CLP) and wait at least 14 days.
  • Pass the skills test in a vehicle of the same class as you intend to drive.

Practice every part of the Iowa CDL test

Your Iowa exam is split into separate knowledge tests. Drill each one until you're confident.

CDL Job Market in Iowa

Iowa puts out about as much agricultural freight per square mile as any state, which keeps hopper, flatbed, and reefer drivers busy all year. Des Moines is home to CRST International, one of the nation's largest carriers, and its entry-level team driving programs launch thousands of CDL careers every year. The low cost of living and flat terrain make Iowa a good place to build both your bank account and your driving record.

Average Salary

$51,000 - $69,000 per year

Top Employers:

CRST International (HQ), McLeodUSA, Iowa Premium Beef, Hy-Vee Distribution

Market Outlook:

Iowa CDL average: about $52,000 in 2026. Des Moines anchors a tight network of regional carriers and national OTR fleets serving the nation's most productive farm region.