Do you currently have motorcycle insurance? Insurance is mandatory to drive in Utah Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question The speed limit in any alley is: Answers 20 mph. 15 mph. 25 mph. Explanation The speed limit in any alley is 15 mph. This is always the speed limit, whether or not it is posted. Take a FREE Practice Test Now This questions appears in the following tests: California Practice Test