A few years ago, the RRTA (Red Rose Transit Authority) performed a big overhaul to their transit system, including the introduction of a new mobile app called RRTA Go Mobile by ModeShift. The app was designed to replace the old paper tickets and passes with a digital system that could be used to purchase passes and plan trips. As a big proponent of public transit, this was a very welcomed improvement for me. There were a few issues early on with QR codes not scanning properly and/or failing to renew, but those issues were quickly resolved. I myself have submitted a ticket or two to the developers regarding some issues I’ve encountered and received a fairly timely response with fixes following shortly after, so props to the developers for that.