Which driving behavior could lead to an accident according to safety standards?

The behavior of continuously backing up in a hazardous situation is considered a significant risk according to safety standards because it can lead to various dangerous scenarios. When a driver backs up without clear visibility or awareness of their surroundings, they may not be able to anticipate obstacles, pedestrians, or other vehicles that could lead to a collision. This action is especially perilous in crowded or tight spaces, where other drivers and pedestrians may not expect a vehicle to move in reverse.

In contrast, the other behaviors listed are all examples of safe driving practices. Being alert to one's surroundings helps drivers to make informed decisions and respond to potential hazards effectively. Maintaining a consistent speed minimizes the likelihood of unexpected changes in traffic flow, while using turn signals properly ensures clear communication with other drivers, enhancing overall safety on the road. Each of these actions contributes to a safer driving environment, underscoring the risks associated with backing up inappropriately.