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From The Archive: Boston's 'Placebo' Crosswalk Buttons09:57
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This crosswalk button, at the corner of Commonwealth Avenue and St. Paul Street, triggers a walk sign. A lot of buttons in Boston don't. (Adam Ragusea/WBUR)
This crosswalk button, at the corner of Commonwealth Avenue and St. Paul Street, triggers a walk sign. A lot of buttons in Boston don't. (Adam Ragusea/WBUR)

Ever wonder if that little button you push for a walk sign actually does anything? In Boston, the answer is sometimes it does, and sometimes it doesn't. In this story from the archive, WBUR's Adam Ragusea hit the streets to investigate.

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