What is a common consequence of loading and unloading passengers on busy roads?

Loading and unloading passengers on busy roads significantly increases the risk of accidents. This is primarily due to several factors associated with the presence of moving vehicles in close proximity to children and pedestrians. When a school bus stops to let children on or off, the sudden halt can disrupt the flow of traffic, leading to unexpected maneuvers by other drivers. Additionally, children are often less aware of their surroundings and may unexpectedly run into the road when exiting or approaching the bus.

Drivers may also be distracted or not prepared for the bus's stop, further heightening the danger as they may not notice the flashing lights or the extended stop sign. These circumstances culminate in a higher likelihood of conflict between buses, pedestrians, and other vehicles, which is why this consequence is critical to understand for the safety of students and other road users.

The other options suggest outcomes that do not align with the realities of loading and unloading on busy roads. Faster travel times and smoother traffic flow are unlikely, as the need to stop creates delays. Better student management isn't directly impacted by the road conditions but rather involves the ability of school staff to manage children effectively, which can be hindered by the chaotic environment of a busy road.