The sign "Structured guide to the highway" typically provides information about the layout and organization of the highway ahead. This sign is designed to help drivers navigate more effectively by highlighting important features such as exits, intersections, and other significant changes in the road structure.

In Germany, understanding highway signs is crucial as they help ensure safe and efficient travel. This particular sign aims to inform drivers about major guide points, which can include directions to certain destinations, service areas, or warnings about upcoming traffic conditions.

If you have any specific questions about this sign or other German traffic rules, feel free to ask!