Those Sidewalk Bumps Serve a Very Important Purpose
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Yellow bumps on the sidewalk play an important role for those who are visually impaired, legally blind or have low vision.
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Those Sidewalk Bumps Serve a Very Important Purpose
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Why are there bumps in the sidewalk at crosswalks? - Kaw Valley Engineering
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Why are there bumps in the sidewalk at crosswalks? - Kaw Valley Engineering
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