Tremont Street Subway

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A map showing the extent of the Tremont Street Subway over time.

A flying junction on the Tremont Street Subway, approaching the Pleasant Street Incline.

The Tremont Street Subway is a tunnel in Boston's subway system, and is the oldest subway tunnel in North America, opening on September 1, 1897. It was originally built as a tunnel to get streetcar lines off the streets, rather than a rapid transit line. It now forms the central part of the Green Line, connecting the Park Street station to Government Center.

The tunnel originally serviced stations at Park Street, Scollay Square, and Adams Square. The latter two stations were demolished when Government Center and City Hall replaced Scollay Square and Adams Square in 1963. The original entrances were in the Public Gardens, at North Station/Canal Street, and at Pleasant Street. The Pleasant Street tunnel still exists as of March 2006, but is disused. The other portals have been closed as the line has been further extended.

From its inception, the subway used trolleys powered by electricity from overhead lines, made possible by the invention of the trolley pole in 1880 by Frank J. Sprague.[1]

The Tremont Street Subway is now a National Historic Landmark.

[edit] External links

Celebrate Boston's description and image gallery of the Tremont Street Subway

edit Massachusetts Bay Transportation Authority (official site)
Red Line		Alewife – Ashmont / Braintree ––– Ashmont-Mattapan High Speed Line: Ashmont – Mattapan
Green Line		Lechmere – Boston College ("B") / Cleveland Circle ("C") / Riverside ("D") / Heath Street ("E") ––– Watertown ("A")
Orange Line		Oak Grove – Forest Hills ––– Charlestown Elevated – Atlantic Avenue Elevated – Washington Street Elevated
Blue Line		Wonderland – Bowdoin
Silver Line		Dudley Square – Downtown Crossing; South Station – various points
Buses		List - Crosstown Buses - Former Streetcars - Trackless Trolleys - Key Routes - East Boston Area - South Boston - Urban Ring
Commuter Rail		Greenbush – Plymouth/Kingston – Middleborough/Lakeville – New Bedford/Fall River – Fairmount – Providence/Stoughton – Franklin – Needham – Framingham/Worcester – Fitchburg – Lowell – Haverhill/Reading – Newburyport/Rockport - North-South Rail Link
Miscellaneous		Accessibility – Boat service – CharlieCard – Nomenclature
Predecessors		Boston Elevated Railway – Eastern Massachusetts Street Railway – Middlesex and Boston Street Railway