Barrier-free accessibility
According to the Behindertengleichstellungsgesetz (Disability Equality Act) (§4 BGG), buildings and other facilities, means of transport, technical commodities, information processing systems, acoustic and visual information sources and communication facilities as well as other designed areas of life are barrier-free if they can be found, accessed and used by people with disabilities in the usual way, without particular difficulty and in principle without outside help. The use of disability-related aids is permitted.