Question This sign means: Answers Four-lane traffic ahead. Divided highway ahead. Two-way traffic ahead. Explanation Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. This sign warns that you are leaving a separated one-way highway and will soon be driving on a two-way highway. Take a FREE Practice Test Now This questions appears in the following tests: Delaware Practice Test Kansas Practice Test Virginia Practice Test Ohio Practice Test California Practice Test South Dakota Practice Test Nebraska Practice Test