The No Entry sign is a circular sign with a red border and a white horizontal bar in the middle. According to German traffic laws, this sign indicates that entry is prohibited for all vehicles. It is commonly placed at the beginning of streets where only authorized vehicles, such as residents or delivery trucks, are allowed to enter.
Drivers must not drive past this sign, and doing so can result in a fine or penalty points on your driving record. It's important to always pay attention to this sign to avoid entering restricted areas and to maintain traffic safety. If you have any more questions about this sign or other traffic rules, feel free to ask!