White lines chapter 3 — signs, signals and road markings White lines are used to separate lanes of traffic moving in the same direction. White lines also  mark crosswalks, stopping positions and the right shoulders of highways. Pedestrian-activated  crosswalk with illuminating  lights in pavement — stop for  pedestrians in the crosswalk Pedestrian crosswalk — stop for  pedestrians in the crosswalk Pedestrian crosswalk — stop for  pedestrians in the crosswalk Solid line — do not change lanes Broken line — lane changing is  allowed when safe Stop line — stop before this  line 39