Free Ohio CDL Practice Tests 2025

Free Ohio CDL Practice Tests 2025

The Buckeye State, home to Ohio State football and rated as one of the top states for business climate, is a great location for commercial truck drivers. Truckers in the state often use Route 71 to travel from Cincinnati to Cleveland, passing through Columbus.

But before you can hit the open road as a commercial driver in Ohio, you first need to pass the OH CDL exam and earn your Ohio Commercial Driver’s License (CDL). The only thing that stands in your way is a few written knowledge and skills tests.

Our free 2025 Ohio CDL practice tests are designed to help you ace the official OH CDL exam.

Why choose our OH CDL practice tests?

  • Questions based on the latest 2025 Ohio CDL manual
  • Covers all CDL classes and endorsements
  • Instant feedback to help you master the material

While most aspiring truck drivers study for their exams using only the state handbook, savvy drivers understand the importance of testing their knowledge before taking the real thing. Our practice tests are designed to mirror the actual exam, providing valuable feedback for each question to ensure you fully grasp the material. With a handy progress tracker, you can easily see how well you’re doing at a glance. Familiarize yourself with the multiple-choice format and detailed explanations to get a feel for the exam structure while quickly identifying your strengths and weaknesses.

The roads of the Buckeye State are waiting for you. Don’t let anything stand between you and a rewarding career—take the first step toward becoming a commercial driver in Ohio today. Select a free practice test and get started now!

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 Ohio. 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
    OH 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
    OH 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
    OH 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
    OH 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
    OH 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
    OH 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
    OH 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
    OH 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.