A detectable warning may seem like a silly phrase, but in reality it is one that helps many people each year stay alive. Actually, ever day people are awoken with a jolt and a loud noise as their car they were driving goes off the road, but not far enough to cause danger. These warnings are helpful. They are also very important for people who are blind and cannot get around easily, without knowing where the proper place to walk is. These warnings are created so that they can tell exactly where they are without seeing, but with feeling the area with a cane or walking stick. These items save lives each day.