People want to get over at the last minute (in traffic). You see the construction signs and "Lane ends, Merge Left/Right for MILES, but feel the need to speed up and cut in at the very last minute. .
you aren't alone ... below came from Post 24 in this thread :
1. people who are so "special/entitled" that zoom past the vehicles lined up to merge for some traffic restriction and then try to force their way into the front of the line