I agree stone. Doesn't matter though which state. Federal law, is to use both lanes til the merge point. Those that were cutting in front of you to block the road TJR, were doing it illegally. They were taking up 2 lanes of travel and holding up more traffic than needed b/c they didn't want people to pass. If you would have rear ended one of them, it would have been there fought. No, if ands or buts. Its just how it is. You can't block a lane of road to hold traffic from passing you.
By cutting in front of and stopping, is almost like that convoy thing the truckers got fined for. For taking all lanes and slowing traffic down, which is a safety factor.
And those who said you were incorrect of what you did TJR, need to take a refresher course of driver's ed. Sorry, he was correct in what he did. You weren't passing on the shoulder. You were using a lane that wasn't closed yet and it was still available for use. No law broken. Course, when the lane is about to end, you signal and yield.
Road rage, happens from those people that cut or block traffic and they then think they have the right to cuss, flick off, or blow the horn at, like the other person was in the wrong. If they were following the rules of the road, then they did nothing incorrect.