The National Railroad Passenger Corporation, doing business as Amtrak, is a publicly funded service operated and managed as a for-profit corporation and began operations on May 1, 1971, to provide intercity passenger train service in the United States. Amtrak operates 374 trains each day on of track at speeds up to connecting 896 destinations in 46 states and three Canadian provinces. In fiscal year 2012, Amtrak served a record 31.2 million passengers and had $2.88 billion in revenue while employing more than 20,000 people. Nearly two-thirds of passengers come from the ten largest metropolitan areas and 83% of passengers travel on routes of 400 miles or less. Its headquarters is at Union Station in Washington, D.C. The name "Amtrak" is a portmanteau of the words "America" and "trak", the latter itself an inventive spelling of "track".