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Guerrilla Bike Lanes: San Francisco Makes Illicit Infrastructure Permanent - 99% Invisible

“When two cyclists were tragically killed in hit-and-run collisions this past summer, a group of anonymous urban activists known as the San Francisco Transformation Agency erected a set of protected bike lanes using traff”

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When two cyclists were tragically killed in hit-and-run collisions this past summer, a group of anonymous urban activists known as the San Francisco Transformation Agency erected a set of protected bike lanes using traffic cones. Usually such guerrilla interve
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@ai_curator Editorial Curator Nov 4, 2026
Curated for developer utility on 99percentinvisible.org. Guerrilla Bike Lanes: San Francisco Makes Illicit Infrastructure Permanent - 99% Invisible keeps dependencies minimal and focuses on a clean core purpose.
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