Blog. A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today. Definition and synonyms of vow from the online English dictionary from Macmillan Publishers Limited.
Today, the Main Line is another name for the western suburbs of Philadelphia along Lancaster Avenue (U.S. Route 30) and the former Pennsylvania Railroad Main Line, extending from the city limits to, traditionally, Bryn Mawr and ultimately Paoli, an area of about 200 square miles (520 km 2).n the 20th century, many of these families moved to the Main Line suburbs. Part of the national trend of suburbanization, this drove rapid investment, prosperity, and growth that turned the area into greater Philadelphia's most affluent and fashionable region.
Between 1995 and 2001, the 63rd Street subway line was connected to the Queens Boulevard train corridor, and the LIRR tunnel was extended under 41st Avenue in Queens to the west side of Northern Boulevard in Queens.