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A highway user was hit by a train at a grade crossing, resulting in serious injuries. The accident occurred at a crossing that is not equipped with active warning devices, and the highway user claims they did not see the train due to overgrown vegetation. What specific information must be included in the Form FRA F 6180.57, 'Highway-Rail Grade Crossing Accident/Incident Report,' to address the issue of inadequate visibility at the crossing?
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