Originally Posted by sbhikes

My BF was telling me about a study somebody did where they took four drivers on a four-lane highway and had them all drive the speed limit all next to each other. They had cameras installed all around. There were people honking and tailgaiting and passing on the right in the shoulder and trying to squeeze in between the lanes. An overhead picture taken from a bridge showed a void in front of the 4 cars and a huge traffic jam behind them.