The sign "Groups of people free" (verbal or symbolic) 1020-14 indicates that the area is free of restrictions for groups of people, such as pedestrians or organized gatherings. This means that groups can assemble or move freely in this designated area without any hindrances from traffic rules or other regulations that might otherwise apply.

Essentially, it signals to drivers that they should be particularly cautious as there may be groups of people walking or engaging in activities in this vicinity. It's important to remain vigilant and drive slowly in these areas to ensure the safety of all individuals present.

If you have any further questions about this or other traffic rules, feel free to ask!