It is supposed to be a merge. That means the two lanes join together in one.
True statement. If the left lane is closing the people currently in the right lane have the right of way and it is up to the people in the left lane to find a safe way to enter the stream of traffic. No one currently in the right lane is required to make room for you. Same with entrance ramps and merge lanes there, no one currently on the road is required to make room for you...ever; now they may out of what they consider to be courtesy, or to give you a break. If you are blasting down a line of solid traffic to force your way in because you are just sooooo important and right that person giving way won't be me.