Dallas and Houston don't surprise me since I've heard that they have an even greater "car-hugging" culture than Atlanta. The stats on Seattle, however, do surprise me. It's true that Seattle has a smaller metro population and more people probably live in their downtown so they can bike/walk, but still...I wouldn't have guess that Atlanta would score higher.
One thing I do notice from the chart is that all of the cities proceeding Atlanta on the list are strong mass transit cities. Position #8 (Atlanta) seems to be the dividing line...interesting.
As always, thanks Martinman for th