Unless otherwise posted, the maximum speed limit on a state road is: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. 2024 Ohio Permit Test Question Unless otherwise posted, the maximum speed limit on a state road is: Answers 70 mph. 55 mph. 40 mph. Explanation When driving on state roads, the speed limit is 55 miles per hour. If a different speed limit is posted, follow the posted speed limit. See the exact questions that will be on the 2024 Ohio DMV exam. 99.2% of people who use the cheat sheet pass the FIRST TIME Click HereFull Cheat Sheet Unlock Your Exclusive Cheat Sheet! This questions appears in the following tests: Mississippi Practice Test 20 Mississippi Practice Test 13