Q:Information:  - The Northeast Corridor (NEC) is an electrified railway line in the Northeast megalopolis of the United States. Owned primarily by Amtrak, it runs from Boston through New York City, Philadelphia, and Baltimore to Washington, D.C.. The NEC closely parallels Interstate 95 for most of its length, and is the busiest passenger rail line in the United States by ridership and service frequency as of 2013. Branches to Harrisburg, Pennsylvania, and Springfield, Massachusetts, though not considered part of the Northeast Corridor, see frequent service from routes that run largely on the corridor.  - The Boston and Providence Railroad was an early US Railroad in New England, connecting Boston and Providence and is now part of Amtrak's Northeast Corridor.  - The Boston and Providence Railroad Bridge in East Providence is a railroad bridge on the Boston and Providence Railroad spanning Ten Mile River . A portion of the bridge also spans Roger Williams Avenue . The bridge was built in 1884 , replacing an earlier structure on the line . The bridge abutments are faced in coursed ashlar stone , with brick - faced segmental - arch tunnels piercing them . The main span of the bridge consists of two Warren trusses resting on the abutments and a central pier in the Ten Mile River . The bridge was listed on the National Register of Historic Places in 1980 .  - The National Railroad Passenger Corporation, doing business as Amtrak , is a passenger railroad service that provides medium- and long-distance intercity service in the contiguous United States. Founded in 1971 to take over most of the remaining U.S. passenger rail services, it is partially government funded yet operated and managed as a for-profit corporation.  - New England is a geographical region comprising six states of the northeast United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and south, and the Canadian provinces of New Brunswick and Quebec to the northeast and north, respectively. The Atlantic Ocean is to the east and southeast, and Long Island Sound is to the south. Boston is its largest city. Its largest metropolitan area is Greater Boston, which also includes Worcester (the second-largest city in New England), Manchester (the largest city in New Hampshire), and Providence (the capital and largest city of Rhode Island), with nearly a third of the entire region's population.    Given the information, choose the subject and object entities that have the relation of 'located in the administrative territorial entity'.
A:
boston and providence railroad bridge , rhode island