Global Connected Rail Market By Service (Passenger Information System, Predictive Maintenance, Automated Fare Collection System, Passenger Mobility, Train Tracking & Monitoring), By Rolling Stock (Passenger Wagons, Diesel Locomotive, Electric Locomotive, Light Rail and Trams & Freight Wagons) ,By Safety & Signaling System (Positive Train Control, Communication-based Train Control & Automated Train Control)— Industry Trends and Forecast to 2032