Subject to Change - Fri 2/27/1998 6p
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Chicago Critical Mass
Subject to Change
Fri Feb 27th 1998 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 15+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
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6/26 2:27p Happy Friday! Critical Mass "Big Adventure" leaves after 6pm from Daley Plaza, 50 W Washington
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CCM RT @Chicagoist: CTA Extends Bus Service To Beaches, Museums For Summer
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