In the New York Times: Spin City: "Could New York be on the verge of becoming a bicycle-friendly city? The city has nearly quadrupled the miles of bike paths, from on-street lanes to greenways, since 1997, and more people than ever are cycling. According to the city's Department of Transportation, the number of people riding through Midtown in 2003 had tripled since 1980, to about 15,300. Still, New York is no Amsterdam, where bikes have not only their own lanes but their own traffic signals, or Chicago, which recently opened a bike depot in the heart of downtown. . . ."
The author decided to try to find out by spending one week biking everywhere. There's a nice photo slide show, too.