Amtrak Transportation is a RAIL transportation service that operates in the United States. It is the largest provider of intercity passenger RAIL service in the country, with more than 500 destinations in 46 states and three Canadian provinces. Amtrak operates over 21, 400 miles of track and serves more than 30 million passengers annually. Amtrak also provides freight services and offers a variety of amenities, such as Wi-Fi, dining cars, and sleeping cars.