Final Answer:
Signs are posted between 7 a.m. and 4 p.m. on school days when children are present for safety purposes.
Step-by-step explanation:
The posting of signs between 7 a.m. and 4 p.m. on school days serves as a crucial safety measure aimed at protecting children. These signs typically indicate school zones, reminding drivers to exercise caution due to the increased presence of children during these hours. By posting signs during these specific times, authorities intend to alert drivers and pedestrians to the heightened risk of encountering children around school premises.
This safety measure aligns with traffic regulations that mandate reduced speed limits and heightened vigilance near educational institutions during active school hours. The signs act as visual cues, prompting individuals to be more attentive and adhere to safety protocols, such as avoiding distractions and adhering to speed limits.
Ultimately, the objective is to minimize the likelihood of accidents involving children during their commute to and from school. The strategic placement of these signs during designated hours ensures a safer environment for children within school zones by promoting increased awareness and responsible driving behaviors among motorists.