Free Iowa CDL Practice Tests 2024

Free Iowa CDL Practice Tests 2024

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!

General Knowledge (150 questions)

  • Questions 1-50
    General Knowledge Test 1
    Start your journey here. Covers the essentials of safely operating a commercial vehicle in Iowa. Unlimited attempts. Detailed explanations.
  • Questions 51-100
    General Knowledge Test 2

    Expect questions on vehicle checks, proper braking technique, fire prevention, visibility, space around your vehicle, stopping distance, and matching speed.

  • Questions 101-150
    General Knowledge Test 3
    Explore essential concepts including vehicle inspection, alcohol and driving, transporting cargo safely, inspecting cargo, air brakes, and important definitions.
  • 50 random questions
    General Knowledge Test Simulator

    Designed to replicate the actual CDL test experience. 50 multiple choice questions chosen at random from our database. Each new attempt generates a new set of questions.

HazMat (30 questions)

  • Questions 1-30
    IA CDL HazMat Test 1
    The path towards a HazMat Endorsement starts here. Questions cover loading requirements, regulated products, document storage, tire inspection, and item descriptions.

Passenger Vehicles (20 questions)

  • Questions 1-20
    IA Passenger Vehicles Test 1
    Test your knowledge of key concepts including proper procedures at railroad crossings, effective use of mirrors, matching speed with traffic, and stopping distances.

School Bus (20 questions)

  • Questions 1-20
    IA CDL School Bus Test 1
    Master the key aspects of operating a school bus. This practice test covers crucial topics like approaching stops, matching speed, and transporting passengers safely.

Air Brakes (25 questions)

  • Questions 1-25
    IA CDL Air Brakes Test 1
    Begin testing your knowledge of air brakes here. Covers tractor valves, pressure gauges, spring brakes, dual air brakes, brake fading/failure, air storeage tanks and more.

Combination Vehicles (24 questions)

  • Questions 1-24
    IA Combination Vehicles Test 1
    Boost your understanding of coupling tractor semi trailers, trailer hand valves, rollover risks, and trailer air lines with this powerful practice test.

Double/Triple Trailers (20 questions)

  • Questions 1-20
    IA Double/Triple Trailers Test 1
    Covers crucial topics including mastering proper steering techniques, coupling and decoupling trailers, navigating curves, managing space, and handling skids.

Tanker Vehicles (30 questions)

  • Questions 1-30
    IA CDL Tanker Vehicles Test 1
    The path towards a Tanker Vehicles Endorsement starts here. Covers identifying tanker vehicles, outage, high center of gravity, bulkheads, and baffled/unbaffled tanks.

Pre-Trip Inspection (9 questions)

  • Questions 1-9
    IA CDL Pre Trip Inspection Test 1
    Covers overall vehicle safety, documentation checks, vehicle components, the brake system, and operational elements such as lights, signals, and controls.