What is the right course of action now?

In the scenario presented, the correct action is to cross over the junction carefully. This is crucial because the police officer is directing traffic, and following their instructions is a priority according to German traffic regulations.

Additionally, waiting for further instructions and letting the blue vehicle move first are contexts that depend on the specific situation in which the officer gives directions. If the officer signals you to proceed, crossing carefully is the right action. If they haven't given a clear signal, or if there's ongoing traffic, it would be better to wait and assess the situation.

Overall, prioritizing the officer's guidance is essential for safe navigation at intersections. Understanding when and how to proceed can prevent accidents and ensure compliance with traffic laws.