Free Ohio CDL General Knowledge Test 2023 | OH

Your knowledge of traffic signs, signals, right-of-way rules, trucking laws, speed limits, vehicle inspection, and basic commercial vehicle safety will be tested to help you become a safer driver today. Each of our 50 multiple-choice questions is based on the Ohio Commercial Driver License Handbook and applicable Ohio laws. Each question includes a hint and an explanation. It is recommended that you check each question’s explanation to gain some further insight into the rule being tested. Good luck and drive safely!