CrossGuide

Help blind and visually impaired people find accessible pedestrian signals so they can cross the street safely.

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Inspiration

Independent mobility is an important issue for visually impaired and blind people. Accessible pedestrian crossings are an important factor in this. However, these are not installed at every pedestrian crossing. I am a visually impaired physicist and software engineer myself. I have always been interested in solving this problem.

What it does

It allows users to find nearby accessible pedestrian signals and register new ones.

How we built it

The first approach is an iOS application. It uses core location services to locate the user. When a user stands right next to an accessible pedestrian signal, he can easily capture it via a view. This location is then saved with latitude and longitude in a global database. Using another view, the user can search for accessible pedestrian signals in their area. The data basis is the global database mentioned above. If a accessible pedestrian signal is found, the user can display its address and trigger navigation there via Apple Maps. To build the global database, we rely on the community on the one hand, and on the other hand we also try to import existing data sets provided by public institutions.

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