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| image = RedLineCharlesMGH.jpg | image_width = 380px | caption = MBTA Red Line train (Type 3 cars) leaving Charles/MGH station outbound, going over the Longfellow Bridge (view towards Cambridge, Massachusetts) | type = Rapid transit | locale = Boston, Massachusetts | start = Alewife | end = Ashmont or Braintree | stations = 17 (Alewife–Ashmont) 18 (Alewife–Braintree) | length = 11.5 miles (19 km) (Alewife–Ashmont) 17.5 miles (28 km) (Alewife–Braintree) | routes = 2 | ridership = 272,684 (2013) | open = 1912 | owner = Massachusetts Bay Transportation Authority | operator = Massachusetts Bay Transportation Authority | character = Subway, Grade-separated ROW | stock = Type 1, Type 2, Type 3 Red Line | gauge = | el = Third rail | map = |}} The Red Line is a rapid transit line operated by the Massachusetts Bay Transportation Authority (MBTA), running roughly northwest to southeast from Alewife station in Cambridge, Massachusetts, through downtown Boston (with transfers to the Green Line at Park Street, the Orange Line at Downtown Crossing, the Silver Line at South Station, Amtrak at South Station as well, and commuter rail at South Station, Quincy Center, Porter and Braintree) then passing through South Boston. South of JFK/UMass it splits into two branches terminating at Braintree or Ashmont stations. At Ashmont passengers may continue via the Ashmont-Mattapan High Speed Line, a light rail line. Regular fare is $2.10 when using a CharlieCard or $2.65 using cash or a CharlieTicket. Exit fares on the Braintree extension were discontinued in 2007. Approximate travel times to or from Park Street are: northbound to Harvard, 11 minutes; Alewife, 20 minutes; southbound to JFK/UMass, 8 minutes; Ashmont, 17 minutes; Braintree, 28 minutes.〔Association for Public Transportation, ''Car-Free in Boston, A Guide for Locals and Visitors'', 10th ed. (2003), p. 116.〕 ==History== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Red Line (MBTA)」の詳細全文を読む スポンサード リンク
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