There's more traffic than ever across America's roads, and one man is saying the country needs to get smart. Sam Schwartz is a renowned traffic engineer; he actually coined the term "gridlock." Inside Edition set up a series of demonstrations to illustrate how traffic jams form and how drivers can avoid them. In one demonstration, an accident blocked the road, forcing the driver of our vehicle is forced to merge. The result was a chaotic mess as drivers fight with each other over who goes first.