Why Streets Have Dotted Bumps 🤔

本站添加: 2026-05-22

[00:00:00]Why would workers intentionally hammer hundreds of small metal bumps into the sidewalk? You see, these patterns can be felt through shoes or a walking cane.

[00:00:07]And the rows of long raised lines guide people in a safe direction, while dotted bumps signal stopping points. And the bright yellow color also helps people with partial vision to spot the surface more easily.