probably a bunch of 4 wheelers trying to beat the truck without merging they just can't be behind a truck they just have to beat it they can't see that big arrow of lane closed ahead I thing society has become a bunch of left hand lane drivers I had a guy tell me the other day he won't get out of the left lane cause he pays taxes for the whole highway so he has a right to be in the left lane all the time what a douch bag