teenage girl and her horse

this movie is about a teenage girl that love her horse very much. I don’t remember what colour is the horse maybe brown or black. The girl always riding her horse including at night. one day she goes outside to ride her horse during midnight. from her house she goes inside the woods but still has a path then at the end of the path suddenly is a main road. the horse and the girl got run down maybe by car. both are injured and trauma but her parent tries to help their daughter and horse to overcome their trauma.