Shield turned around while dodging

Hello, I was on my way home yesterday (on a main road) when a car came out of a side street and drove to my lane. I had the choice: either Frontal into the other car, or on the green strip. I skipped and drove on the green strip, got thrown into it and changed a sign. But what do I see? The car continues. So I drove after the car about 2 km hupend until it stopped. The older lady got out and looked at herself. my car on ( 2 grand bumps, bumper broken in the back, rim broken) She also admitted that she took the lead and didn’t notice that I was driving against the sign. Everything good and nice.. She gave me her name, address, insurance data and left home. When I came from work today, the police stood at my door because of the sign. They took photos of the car and asked a few questions and said something about driver’s escape?! I have to say that the old lady reported to the police about 17 hours after the accident. She also said that she was responsible and I can’t do anything for it. In addition, she said at the guard that her insurance took over the sign. After the accident, the sign was also forgotten because I had to “trace” the lady until today the police stood at the door… What do I have to expect? I am still in the probation period .. MfG