Those bumpy surfaces on street corners are called detectable warning surfaces or truncated domes and they play a vital role in safety for people who are blind or visually impaired. The raised texture provides a tactile cue underfoot or with a cane, signaling the boundary between the sidewalk and the street. They also provide auditory feedback with a cane. These bumps help alert pedestrians that they’re approaching a crossing, even if they can’t see the curb or curbcut. It’s a simple but powerful
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🧠 Ever noticed those bumpy tiles at the end of sidewalks and wondered what they’re for? These are detectable warning surfaces (truncated domes) that alert visually impaired pedestrians to curb ramps and street crossings. They were installed through our Accelerated Transportation Safety Program in the Union Park area, improving safety for residents enjoying a walk to nearby Downey Park. 🔗 Find street safety improvements in your area: https://bit.ly/3YXXTjL OC District 1 Office of Commissioner W
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