They provide directions and distances. If you are lost, a mileage and directional sign can help you. Do not endanger other drivers by stopping in the middle of the road to read a sign. Move to the shoulder of the road and wait until you have figured out where you are and which route you should take. Pavement Markings Yellow lines separate travel lanes moving in opposite directions.
White lines separate travel lanes moving in the same direction.
A yellow skipped or broken line is used as the center line on a two lane, two way road where passing with care is permitted in both directions. When continuous, double, solid, yellow lines are the center lines you cannot cross them to pass in either direction. On a two lane road, passing with care is permitted if the skipped yellow line is in your lane. Single, solid, white lines are used as right edge lines along the roadway and for guiding traffic traveling in the same direction. Single, solid, yellow lines are used as left edge lines on divided highways.