OK... If you see a merge sign and the bent line (which designates the MERGE lane) is on your side of the road, it is YOUR resposibility to find a way to get your ass into the lane next to you. It is nobody elses duty but yours. If I am in that lane don't honk at me for not going out of my way to make room for your ass. Slow down an find a hole.
And while I am at it... If the traffic lanes are being reduced because of an accident, road work, or just the mental incompetance of the city engineers, don't be the TOOL that rides all the way to the very end of the merging lane when other people have taken the time to get over ahead of time. It only demonstrates your ignorance and eventually will end in a terrible but justified road rage incident.