A single example of a PRR MP70 is preserved at a museum that has two what?
PRR MP70: The PRR MP70, also known informally as the "double-deckers", was a class of electric multiple units manufactured by the Pennsylvania Railroad for use on the Long Island Rail Road (LIRR). PRR MP70:  A single example is preserved at the Railroad Museum of Long Island. Railroad Museum of Long Island: The Railroad Museum of Long Island is a railway museum based on the North Fork, of Long Island, New York, in the United States. Railroad Museum of Long Island:  It has two locations, a main location in Riverhead, and a satellite location in Greenport, west of the North Ferry to Shelter Island.
locations