Class B CDL Permit Test Ohio: Your Complete Study Guide

If you’re aiming to drive a commercial vehicle in Ohio, the first official step is passing the Class B CDL permit test. Whether you’re a seasoned driver transitioning to larger trucks or a brand‑new entrant to the road, this guide equips you with everything you need to ace your permit exam and start your commercial driving career.

What Is a Class B CDL Permit?

A Class B Commercial Driver’s License (CDL) permits you to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 lb or more, or a combination of vehicles where the trailer does not exceed 10,000 lb. In Ohio, the permit is the preliminary license that allows you to practice driving a Class B vehicle under the supervision of a qualified instructor before you take the full CDL road test.

Eligibility Requirements in Ohio

5 Steps To Get Your Ohio Class B CDL Permit

  1. Gather Required Documents – Bring your Ohio driver’s license, proof of residency, Social Security card, and medical certificate to any Ohio BMV office.
  2. Complete the Knowledge Test – The written exam covers general knowledge, air brakes, and combination vehicles. It consists of 50 multiple‑choice questions; you need a score of 80 % or higher to pass.
  3. Study the Ohio CDL Manual – The official manual is the most reliable source. Focus on sections titled “Class B Vehicles,” “Air Brakes,” and “Safety Inspections.”
  4. Schedule Your Permit Test – Appointments can be booked online through the Ohio BMV website. Choose a time that gives you a few days to review before the test.
  5. Take the Permit Test and Receive Your Permit – Once you pass, the BMV will issue a temporary CDL permit valid for 180 days, giving you time to complete behind‑the‑wheel training.

Study Guide for the Ohio Class B CDL Permit Test

The Ohio CDL Manual is organized into chapters that mirror the test sections. Below is a concise study plan that aligns with the exam topics: