Global Train Signalling System Market, By Technology (Automatic Train Protection (ATP) System, Automatic Train Operation (ATO) System, Communication Based Train Control (CBTC) System, European Train Control System (ETCS) and Positive Train Control (PTO) System), Application (Inside the Station and Outside the Station), Country (U.S., Canada, Mexico, Brazil, Argentina, Rest of South America, Germany, Italy, U.K., France, Spain, Netherlands, Belgium, Switzerland, Turkey, Russia, Rest of Europe, Japan, China, India, South Korea, Australia, Singapore, Malaysia, Thailand, Indonesia, Philippines, Rest of Asia Pacific, South Africa, Saudi Arabia, U.A.E, Israel, Egypt, Rest of Middle East and Africa) Industry Trends and Forecast to 2028