Discription of Events: Vehicle cut over four lanes to enter the expressway just before the entrance ended and cut me off then brake checked me. I passed him on the expressway in the left lane then he got next to me in the right lane then swerved towards me and ran me off the road. Then he drove in excess of 100 mph and past a semi truck in the breakdown lane on the righthand side of the road and threw up a ton of road debris hitting other cars.