When discussing transportation, the difference between traffic and congestion is often lost. There is, however, a difference between the two and that often plays a significant role in the livability of a city. What we have learned over the years is that congestion is often a good thing, particularly in cities. More from Streetsblog USA:
The pattern that emerges is that the places with the most traffic and driving also have the least congestion…Swan notes that the most congested places are also the places where people have good travel options that don’t involve driving. His chart suggests that car congestion itself is not the problem that needs to be solved — as long as there are other ways to get around, in a congested city few people will actually have to sit in traffic.