WNYC, our local public radio station, does pieces on commuting by public transit and everything else.
Yesterday's story was about bike commuting. One major point is that in NYC, a bike commute uses a predictable amount of time. All other modes are wildly unpredictable, and it's necessary to allow for the unexpected. Some people add 45 minutes because it's so bad. Bike commuting is the only mode where that is not necessary.
Bike Psych 101: No Other Commute Beats The Sensory Experience of Biking