Six months ago I highlighted a wonderful piece of work by Greater Greater Washington that took a look at ridership on the DC Metro. Well I finally got off my butt and did a similar thing for BART. I asked someone at BART who was affiliated with the recent rider survey for data on trips by station entry and exit.
Ask and ye shall receive; BART sent me an excel file containing average weekday origin/departure numbers for the spring and summer of 2009. I crunched the numbers a little and came up with the following



