North Station is a major transportation hub located at Causeway and Nashua Streets in Boston, Massachusetts, United States. It is one of the city's two inbound terminals for Amtrak and MBTA Commuter Rail trains, the other being South Station. The main concourse of North Station is located at the street level, immediately below TD Garden, a major sports venue in Boston, home of the Boston Bruins hockey team and the Boston Celtics basketball team. The arena is also used for rock concerts and other events, taking advantage of the extensive transportation connections at the site.