Undoubtedly existing exit signs in use around the world do not provide for all occupants. They are not consistent across nations, they do not always provide Braille and tactile information, and generally fail to consider people with disability and their needs. One must therefore ask if we are currently considering the Principles of Universal Design in terms of emergency egress / exit signs in all buildings, facilities, modes of transport and the like.

There are 7 Principles of Universal Design. At least 5 of them are applicable to exit signs.