The sign you mentioned is known as the Transition arrow - no oncoming traffic, 1-lane right and 1-lane straight ahead.

This traffic sign indicates that the road ahead changes and provides different travel options for vehicles. The sign implies that there is no oncoming traffic, meaning that vehicles can proceed without concern for vehicles coming from the opposite direction.

Drivers are advised that they may continue straight ahead or turn right. It is important to be aware of the road layout and the designated lanes, ensuring that you choose the correct lane as you approach the intersection. This sign helps to manage traffic flow and guide drivers to navigate safely and effectively through the area.

If you have any further questions about German traffic rules or other signs, feel free to ask!