The fastest a driver should drive when backing up is: 2024 Ohio Permit Test Question The fastest a driver should drive when backing up is: Answers 25 mph. 20 mph. 10 mph. 15 mph. Explanation Back very slowly and not faster than 10 mph. Your vehicle is more difficult to control and stop when it is backing. Pass your DMV Written Test with flying colors Take me to the cheat sheet Ohio This questions appears in the following tests: North Carolina Practice Test 29 North Carolina Practice Test 18