Please note: Only CSX customers with valid login credentials for ShipCSX will have access to the features on the ShipCSX mobile application. The ShipCSX mobile application provides customers anywhere/anytime access to updates on the status of their rail shipments from an Android phone. Customers can retrieve up-to-date information about their shipments using Railcar Trace, Train Trace, and Equipment Specifications (UMLER), or send information to CSX using Shipping Instructions, View Inventory