A mobile electronic device is disclosed. The mobile electronic device comprises a near-field-communications receiver and an application. The near-field-communication transceiver receives identification information from at least one of a transit vehicle and a transit platform. The application, when executed on the mobile electronic device, receives a transit destination as entered into the mobile electronic device. Based on the identification information and a transit system route map, the application presents a notification on the mobile electronic device that the identification information does not agree with the transit destination.