What does this traffic sign indicate?

This traffic sign indicates a cul-de-sac, which refers to a street that ends in a closed circle or turnaround. Drivers are advised that the road ahead terminates, and they will need to turn around to exit.

In German traffic regulations, understanding this sign is important for ensuring safe navigation, as it informs drivers to prepare for the end of the road and avoid unexpected stops or reversals. Familiarity with such signs helps in managing driving routes effectively and prevents confusion in urban areas.