MASS 
 LSD Purple - Fri 5/29/1998 6p
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Chicago Critical Mass
LSD Purple
Fri May 29th 1998 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 20+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Josh Deth
Facebook.com/ChicagoCriticalMass
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CCM RT @CityLab: Paris has a grand plan to get suburban bicyclists into the city center https://t.co/zKhDBWZVrM
CCM RT @CarHelmets: Oregon's version of the Idaho Stop law (SB 998) was signed into law earlier this month with very litt...
CCM RT @BlockClubCHI: The Shedd Aquarium is going to be free for a huge chunk of September. Here are the free days: ht…
CCM RT @PhilmerPhiI: I have found the Holy Trinity: FedEx, UPS, AND Amazon trucks parked in the bike lane!!!
CCM RT @activetrans: Thanks to all of the supporters who showed up last night and organized tirelessly to build support a...
CCM RT @Lyndab08: Amid the never-ending construction on the Loomis St Bridge, the new murals from @yollocalli @ExploreNMM...
CCM RT @BikeCHInorth: A beautiful day to take in the sights and the sounds of the North Branch Trail. #chiNBT #bikechi
CCM RT @tomflood1: To all municipal decision makers, please remember who you’re stealing safety away from before you st...
CCM RT @greenfieldjohn: Good news! By popular demand, including kvetching by yours truly, Thursday’s 6 PM Dickens Green...
CCM RT @PurpleFemmedigo: Friendly reminder that paint is not biking infrastructure, at least in my book. Real biking infr...
CCM RT @Boxville51: Looking for a way to get some exercise while learning about sustainability efforts throughout Bronzev...
CCM RT @streetsblogchi: Southwest Side alderman George Cardenas on Twitter: "We are doing just fine thank you! We have pl...
CCM RT @BlockClubCHI: Are you an Englewood resident looking for a job? This Wednesday job fair is for you. https://t.co…
CCM RT @BlockClubCHI: These are the oldest film clips in Chicago history. https://t.co/H5XNYFq7yz
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