BARCELONA, Spain — Researchers in Barcelona have created an app that may prove useful to riders of public transit who are blind, deaf or otherwise disabled. OnTheBus hooks into GPS and transit data and alerts the user where and when they need to board, signal and disembark, according to an msnbc.com report.

Currently, it can be used in Barcelona Madrid and Rome and will soon be available for the Spanish cities of Valencia and Zaragoza as well as Helsinki, Finland. The application is offered in Spanish, Catalan, English and Italian; new versions in other languages and for other cities are also being prepared.

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