Global Connected Rail Market By Type (Positive Train Control (PTC) , Communication/Computer-Based Train Control (CBTC) , and Automated/Integrated Train Control (ATC)), By Application (Diesel Locomotive , Electric Locomotive , DMU , EMU , Light Rail/Tram Car , Subway/Metro Vehicle , Passenger Coach , and Freight Wagon), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029