IA CDL Practice Tests

General Knowledge (150 questions)

HazMat (30 questions)

Passenger Vehicles (20 questions)

School Bus (20 questions)

Air Brakes (25 questions)

Combination Vehicles (24 questions)

Double/Triple Trailers (20 questions)

Tanker Vehicles (30 questions)

Pre-Trip Inspection (9 questions)

Located in America’s Heartland, Iowa’s agricultural products of corn, soybeans, hogs, and cattle feed the nation. These massive industries have built up a large infrastructure for their transport to the rest of the country, making commercial motor vehicle drivers very valuable to the Hawkeye State. Truckers in Iowa most often use Route 80, which stretches through Iowa City, Des Moines, and all the way to Omaha.

But before you can get started in this rewarding career, you first need to pass the IA CDL exam and earn your Iowa Commercial Driver’s License (CDL). A CDL is the license required to drive commercial motor vehicles, and it’s earned through a series of tests on your knowledge of safe vehicle operation.

Our free 2024 Iowa CDL practice tests are designed to help you ace the official IA CDL exam.

Why choose our IA CDL practice tests?

  • Questions based on the latest 2024 Iowa CDL manual
  • Covers all CDL classes and endorsements
  • Instant feedback to help you master the material

The tests aren’t easy, which is why we’ve developed comprehensive practice tests to help you quickly assess your knowledge. Each multiple-choice practice test is based on the same source as the real exam, ensuring you have the most accurate and up-to-date information possible. Don’t let anything hold you back—start your journey toward a career in commercial trucking with a free Iowa CDL practice test today!

IA CDL Manuals

The latest official IA CDL driver's manuals