“When a user wants detailed information about a transit stop, he or she touches a button and the system displays details, such as where the stop is in relation to street intersections, whether there is a bench and trash can, what the shape of the sign pole is . . . This information can be read out loud for blind users of the phone, using VoiceOver mode,” explained Alan Borning in email to Reuters Health.

Read more at
http://www.accessibilitynewsinternational.com/for-blind-bus-riders-a-new-app-boosts-independence/