Happened to me twice.
Both times I was rammed by the other vehicle.
The first time, the city took the guy to court and I testified on the states behalf. He walked. Interestingly, the guy had a rap-sheet a mile long. Had run someone off the road the day before me, and ran an off-duty cop off the road the day after me. Menacing. Driving without a license. A whole bunch of additional cases. I want to say he had around 17 pending court appearances. The jury wasn't allowed to know any of that.
The 2nd time they never caught the guy.
Mike