Critical Mass in Atl
Unfortunately I missed it this time.
But you can get an idea of what it is like to ride with 200-300 other cyclist in downtown Atlanta thanks to this video.
fdisk003 - Critical Mass Atlanta [April 08] from fdisk on Vimeo.
They occur once a month on the last Friday of the month at 6pm at Woodruff park. Look for the HUGE mass of bikes!

