You must have a driver's license or learner's permit if you operate any motor vehicle on the streets or highways in Ohio. You must pass a driver knowledge test on Ohio traffic laws and road signs in order to obtain a license or learner's permit. The multiple-choice questions are based on information from the Ohio Driver's Manual. The Ohio DMV written test is meant to assess your understanding of traffic signs, signal and pavement marking identification, road rules, and safe driving practices. There are 40 questions on the test. You are permitted to miss 5 of the 20 questions concerning road signs and 5 of the 20 questions about road rules in order to pass the Ohio DMV written test. Let's start with our practice permit test Ohio now.