The traffic sign "Federal roads" (Bundestraße in German) indicates that you are entering a federal road in Germany. These roads are major routes managed by federal authorities and connect different regions of the country.

Key points about federal roads:
1. **Traffic Flow**: Federal roads generally have a higher traffic volume compared to local roads and are essential for long-distance travel.
2. **Speed Limits**: The typical speed limit on federal roads can vary, but it is usually regulated and enforced to ensure safety.