Wheely

If you ride the New York City subway you likely have some type of app installed on your smart phone that provides a map of the underground system or calculates the time to the next train. And it's just as likely that your app doesn't have a feature for accessibility. For those who cannot push through a crowd on the stairs or bolt up the left side of the escalator, the subway is extremely hard to navigate and oftentimes quite useless, as only 18% of stations have accessible elevators. To address this major flaw in our mass transit system, Anthony Driscoll developed a new app called Wheely, which helps those with accessibility needs (wheelchair users, the elderly, parents with strollers, injured people, etc.) better navigate the subway.
All the details on the smart new app here