Critical Mass isn't holding up traffic. We are traffic! An alternative transport movement is storming the globe. Each month thousands of cyclists, bladers, skaters and other human powered riders converge in cities around the world to celebrate movement without motors. A party on wheels, Critical Mass began in San Francisco over six years ago and has been growing worldwide ever since. Look here to see if there is a ride in your city. If there isn't read up and start you own!
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