Overall ridership in 2009 dropped about 1% in 2009 over the 2008 figure, but still recorded more than half a billion rides -- 521.2 million.
Meanwhile, ridership over the last decade increased by 11.7% -- from about 467 million in 1999 to last year's 521 million.
In both 2009 and over the last 10 years, rail ridership showed more growth than bus rides. Rides on the rails were up by 2.2% in 2009 over 2008, as opposed to a 2.9% drop in bus rides during the same period.
In the last decade, bus ridership grew by 6.6% while rail rides increase by 21.7%. During this time the Brown Line expansion project was finished, the Pink Line added, and the Yellow Line added weekend service.