Why are you required to stop now?

You are required to stop because there is a cyclist crossing the street in front of you. According to German traffic rules, you must always yield to pedestrians and cyclists at pedestrian crossings—even if the traffic light is red for them, a flashing yellow warning light signals you to be cautious and give way. The presence of a cyclist on the crossing takes priority over your right to proceed, so stopping is necessary to ensure their safety. The truck ahead or waiting pedestrians do not themselves require you to stop at this moment if there were no traffic control or crossing users, but the cyclist’s presence at the crossing legally obliges you to halt. This rule helps protect vulnerable road users and maintain safe interactions at intersections.