Automatic Train Operation System Market Size, Share & Industry Analysis, By Train Type (Mainline [Passenger, Freight] Urban [High-speed, Metro]), By GoA Type (GoA 0- Manual Operation w/o Automatic Train Protection, GoA 1- Manual Operation w/ Automatic Train Protection, GoA 2- Semi-Automatic Train Operation , GoA 3- Driverless Train Operation, GoA 4- Unattended Train Operation ) and Regional Forecast, 2025-2032