Discription of Events: 7:30am 11/14/23 male driver was on Highway 10, traveling from Midland to Bay City. Driver was in right lane.Right lane was stopped due to one lane highway ahead. I was in left lane. Driver zipped into left lane at last minute, preventing me from zipper merging. I had to slam on breaks, almost caused an accident. The one lane didn't start for one mile, plenty of time to zipper merge. Driver put myself and other drivers in a dangerous situation.