A car and motorcycle: 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. Question A car and motorcycle: Answers May share a lane if both operators are fine with it. Should never share a lane. May share only the right lane on a highway made up of two or more lanes. May share a lane only on a straightaway. Explanation Cars and motorcycles cannot share a lane safely. In New York State, two motorcycles are allowed to share a lane. Lane sharing is otherwise not allowed.