A preventable collision is defined by how the driver fails to do what?

A preventable collision is defined by the driver's failure to do everything reasonable to avoid it. This means that the driver did not take appropriate actions or precautions that could have helped prevent the accident. Reasonable actions might include observing traffic laws, adjusting speed according to conditions, maintaining a safe following distance, and being aware of surrounding vehicles and pedestrians.

The focus on "reasonable" is crucial because it implies that the actions expected of a driver must be practical and achievable under normal circumstances. It sets a standard that recognizes human and environmental factors, rather than expecting perfection or impossible maneuvers.

The other options fail to capture this critical concept effectively. "Everything unreasonable" would indicate expectations beyond what could be logically required, while "everything legal" only considers adherence to laws without factoring in the practical aspects of safe driving behaviors. The choice mentioning "anything to show safe driving" is vague and does not specifically address the proactive measures needed to avoid collisions, emphasizing the need for reasonable judgment in driving situations.