I also knew that and in my area, most like others as well, the foot path surrounding a crossing now has very distinctive round raised lumps, so that you can easily feel them beneath your feet, very useful for the blind.
I didn't know either, all I hope is those who don't need to know and who may be inclined to do something unsavoury won't see the article...yes I can be cynical I know with some of society today. Brill idea though, amazing what they can think of to help people.