According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question Jessica has developed a Conditioned Avoidance Response. This is defined as a response that is done in order to prevent a certain unpleasant event from occurring. In this situation the unpleasant event is another Accident caused by icy road.
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By looking through the perspective of public health, we should focus on the healthy and hygiene conditions of the public but not a single individual as the whole society is more important.
If we divert our attention and resources towards an individual then the public will be neglected and it will create a lot of problems for the whole of society and that specific individual can face problem due to the overall bad conditions of health.
