The sign "Beginning of a pedestrian zone" indicates that you are entering an area where only pedestrians are allowed. In this zone, motor vehicles are typically prohibited, except for certain exceptions such as deliveries or access for residents during specific times.

When you see this sign, you should be prepared to encounter pedestrians at any time and must drive cautiously. It is important to adhere to this regulation to ensure the safety of pedestrians and comply with local traffic laws. Additionally, the end of the pedestrian zone is usually marked by a sign indicating when motor vehicles can re-enter the area.

If you have further questions about specific rules or scenarios regarding pedestrian zones or other traffic regulations, feel free to ask!