Bravo Tucson International Airport! Way to be an industry leader and support your visually impaired community with this new service! Blind and low-vision passengers will get free help navigating Tucson International Airport with a system that connects them via mobile phone networks to a personal airport guide. from Tucson.com https://tucson.com/business/tucson-international-airport-adds-service-that-helps-visually-impaired-navigate/article_1fb92033-efae-537d-bd74-70b89568be49.html