Practice question Double solid white lines mean what? Crossing from lane to lane is prohibitedPassing opposing traffic is allowedYou are entering a work zoneThe roadway is for bicycles only Answer: A — Crossing from lane to lane is prohibited The correct answer is shown above. Try the full quiz for additional practice. Practice more: Hawaii Road Signs Practice Practice Questions - Hawaii Driver License Knowledge Test - Road Signs, Signals, and Markings Practice Exam →