Which of the following is a concern when driving an aerial apparatus?

When driving an aerial apparatus, approaching an intersection presents unique challenges that require careful consideration and attention. Intersections are critical points where various vehicles and pedestrians converge, increasing the potential for accidents. The larger size and weight of aerial apparatuses, compared to standard vehicles, means they require more space to maneuver safely and may take longer to stop. This increases the risk of collisions if the driver is not vigilant and prepared.

In addition, traffic signals, road signs, and the unpredictability of other drivers' actions can complicate the situation further. Aerial apparatus drivers must be trained to assess the flow of traffic, anticipate the movements of other vehicles, and ensure they have a clear path before proceeding through an intersection. By focusing on these factors, drivers can mitigate risks and navigate intersections more safely while operating their equipment.

The other options, while also relevant to driving an aerial apparatus, do not specifically encompass the immediate and critical concerns posed by negotiating intersections. High-speed driving can be risky, narrow streets can limit maneuverability, and heavy traffic can create challenges, but none embody the specific situational complexities inherent to intersections as a driving concern.