The sign you referred to, "other vehicle - passenger groups free (verbal indication) 1028-34," indicates that certain passenger groups of vehicles, like buses or shuttles that transport people, are allowed to pass through a particular area. This sign is typically used in zones where access is restricted for other types of vehicles.

In practical terms, this means that if you see this sign, you should be aware that the specific passenger vehicles mentioned are permitted to continue into the area, while other vehicles may have to stop or turn around.

It's important for drivers to recognize and adhere to these signs to ensure proper traffic flow and safety in restricted zones.