If you’re a regular rider of regional rail here in the City of Brotherly Love, you’ve undoubtedly encountered your fair share of weather-related delays. And likely, all you’ve ever been able to do about it is shrug your shoulders, stand around, be late, and promise yourself that you’d take an even earlier train next time. With a new app called Traveler, developed in the Arcweb Technologies Lab, those unforeseen weather delays could become a thing of the past.