Zoos are the only exception, but if a zoo excludes dog guides, it must provide adequate kennel area for housing dog guides, and must provide a sighted escort, if the dog guide user is not accompanied by a sighted person. (Sect. 54.1, 54.7) Common carriers or public transportation include airplanes, trains taxis, buses, and all other forms of transportation offered for public use. (Sect. 54.1) Hous