The sign you are referring to is known as Note Symbol 1010-52. This sign indicates a parking zone where stopping is allowed only for a brief period of time, typically meant for the purpose of picking up or dropping off passengers.

It is important to pay attention to the specific time limits that may be indicated below the sign or in accompanying signage, as these rules can vary by location. Failure to adhere to the time restrictions can result in a parking fine. Always make sure to check for additional requirements or local regulations when using these designated stopping areas.

If you have more questions about parking rules or any other traffic regulations, feel free to ask!