Discription of Events: This car completely cut me off on a two lane road. I was in the left lane they were in the right lane. The right lane was eventually going to end because of construction but not for about another half mile to a mile so they had time to either wait to go behind me or speed up and go in front of me without cutting me off. I have a dash cam so I have evidence and video of this car cutting me off. If I hadn’t slammed on my breaks they wouldn’t ran me into the curb on the left and my whole right side of my car would be scratched and probably crushed. No turn signal was put on, they just swerved right into my lane cutting me right off and we were going about 40-45 mph. Speed limit was 45 mph. I did lay on my horn.