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 speed limit on interstate highways in designated rural areas is: Answers 50 mph. 60 mph. 70 mph. 80 mph. Explanation The maximum speed limit on interstate highways in Virginia is 70 mph. Take a FREE Practice Test Now This questions appears in the following tests: Virginia Practice Test