How do blind people know where to find Braille signs?

By reading the Braille.

1. How do blind people know when to read braille?
2. How do blind people know where to read?
3. How does a blind person know when to cross the street?

How do blind people know when to read braille?

Blind and partially sighted people read from left to right across the page with a light touch, using one or both hands. The soft pads of the fingers are used to feel the raised dots, as these are more sensitive than the fingertips. Most sighted braille readers read braille by sight.

How do blind people know where to read?

Braille is a system of raised dots that can be read with the fingers by people who are blind or who have low vision. Teachers, parents, and others who are not visually impaired ordinarily read braille with their eyes.

How does a blind person know when to cross the street?

A blind person's sense of hearing is more sensitive than the sighted. They listen for cars coming from the directions of the street they're trying to cross. Some intersections have bells that ring when it's safe to cross. Others have seeing-eye dogs that know when to cross.