A car and a motorcycle: Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Iowa Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance. Click here to compare rates from our insurance partner. Question A car and a motorcycle: Answers May share a lane. May share a lane, but only in congested traffic. May share lanes on weekends. Should not share a lane. Explanation Cars and motorcycles both need a full lane width to operate safely, so lane sharing is generally prohibited. This questions appears in the following tests: Connecticut Motorcycle Practice Test 15