If the problem is empties clogging things up, move the empties. America isn't exactly short of empty space without zoning restrictions. In a week, the yards will be empty.
This seems like a problem that money can solve. The fact that money isn't solving it is extremely suspicious.
Either it means that we don't have enough truckers because they're treated and paid like shit or it means that somebody is making money on things being clogged.
Why are the capitalists all running to the government to break regulations instead of throwing money around? Things that make you go "Hmmmmm."