Found this good recent BBC article, which focuses on Washington DC:
Jim Sebastian, head of Washington DC's bicycle and pedestrian programme, says his goal is to make the nation's capital "one of the most bike friendly cities in the country".
"This is something that's clean, healthy, efficient," he said. "People are demanding it. It's going to bring people to the city and keep people in the city."
Great to see the explicit link between cycling and the vitality of the city itself.
According to a sidebar stat in the article, the US census bureau ranks Washington DC sixth in the country in terms of number of cycling commuters, at 2.3 percent. Seems like a pitiful number compared to the likes of Copenhagen, where upwards of 30 percent bike to work. But not hopelessly far behind Portland OR (5.9 percent) in the top spot, and well above the US average of .5 percent.