Traffic engineers say they see no early solution to the problem.
Traffic engineers scheduled a meeting at the site with the firm.
A traffic engineer's worst nightmare would not have been as bad.
"We hope that results from this study may help traffic engineers to make informed judgments," he said.
"Emotion plays a bigger role than traffic engineers," he said.
While these plans ferment, local traffic engineers are trying to cope in the here and now.
Traffic engineers call it the largest highway interchange in the world.
Right now, the city only has cameras over some stop lights to help traffic engineers fight gridlock.
"That's the way I would do it," said one traffic engineer in Washington.
I think we should hire our own traffic engineer.