Pan Am Railways has a subsidiary in which former US Class I railroad in Maine?
Pan Am Railways Pan Am Railways, Inc. (PAR), formerly known as Guilford Rail System (GRS) before March 2006, is an American holding company that owns and operates Class II regional railroads covering northern New England from Mattawamkeag, Maine, to Rotterdam Junction, New York. The primary subsidiaries of Pan Am Railways are Boston and Maine Corporation (reporting mark BM) , Maine Central Railroad Company (reporting mark MEC) , Portland Terminal Company (reporting mark PTM) , and Springfield Terminal Railway Company (reporting mark ST) ; BM and MEC are operated under lease by ST.
Maine Central class W 2-8-0 Maine Central Railroad Class W locomotives were intended for heavy freight service. They were of 2-8-0 wheel arrangement in the Whyte notation, or "1'D" in UIC classification. They replaced earlier class O 4-6-0 locomotives beginning in 1910. They were in turn replaced by class S 2-8-2 locomotives for the heaviest freight service beginning in 1914, but remained in use on lighter freight trains until replaced by diesel locomotives after World War II.