Answer :
Final answer:
The description of the square sign with black arrows points to a Two-Way Traffic sign, which alerts drivers to the presence of opposing lanes of traffic.
Explanation:
Based on the provided information, it appears that the question concerns the identification of a traffic sign. The description of the sign being a square with "12-6''" and black arrows above and below suggests that this is a sign indicating two-way traffic. This sign is used to warn drivers that they are approaching an area where the flow of traffic will be coming from both directions. It does not fit the description of signs such as "Stop Ahead," "Intersection Ahead," or "Divided Highway Ends." The information about the partially hidden stop sign, the street heavy with trees, and details like the brake lights on a passenger car provide context on how traffic signs can be obscured and the importance of being vigilant while driving.
