Amtrak Service is a passenger rail service operated by Amtrak, the national railroad of the United States. It provides intercity service in 46 states, the District of Columbia, and three Canadian provinces. Amtrak Service includes two main types of trains: TRAIN and ACELA. TRAIN is a regional service that operates on shorter routes with more frequent stops, while ACELA is a high-speed service that operates on longer routes with fewer stops. Both services offer comfortable seating, onboard amenities, and Wi-Fi access.