Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question The maximum speed limit on streets in cities and towns, unless otherwise posted, is : Answers 15 mph. 25 mph. 30 mph. 40 mph. Explanation Unless otherwise posted, the speed limit in cities and towns is 25 mph. Take a FREE Practice Test Now This questions appears in the following tests: Washington Practice Test