The article specifically mentions that it's not driver skill which is the issue: These commuters aren't necessarily slow or bad drivers. Instead, they com

The article specifically mentions that it's not driver skill which is the issue: These commuters aren't necessarily slow or bad drivers. Instead, they come from a few outlying neighborhoods and travel long distances together in the same direction like schools of fish -- clogging up not only the roads they drive on, but also everyone else's.