Final answer:
The subject of this question is Social Studies and it discusses the decision to install a traffic signal at a specific intersection based on factors such as accidents, traffic volume, and pedestrian safety.
Step-by-step explanation:
The subject of this question is Social Studies. This question is about the decision to install a traffic signal at a specific intersection.
The question provides information about various factors that need to be considered, such as the number of accidents, the amount of traffic, and pedestrian safety.
By analyzing these factors, a decision can be made on whether installing a traffic signal is necessary.