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The Portland Transit Mall is a set of public transit corridors through the center of downtown Portland, Oregon, United States. More specifically, it is a pair of one-way streets—one for northbound traffic, the other for southbound—along which two of the three lanes are restricted to transit vehicles only. The transit mall opened in 1977 and until 2009, buses were the only transit vehicles using it, but in 2009 light rail was added. Between 2007 and 2009 the mall was rebuilt and extended southwards, and it reopened for buses on May 24, 2009.〔 Light rail service on the mall was introduced on August 30, 2009, with the shifting of the MAX Yellow Line to the mall from its original routing in downtown, and a second MAX line, the Green Line, began serving the mall on September 12, 2009. From fall 2009 to July 2014, the Portland Vintage Trolley also served the transit mall on certain Sundays. Although the mall's transit stops are mainly served by TriMet vehicles, on weekdays buses on express routes operated by C-Tran〔(【引用サイトリンク】publisher=C-Tran )〕 and the Columbia County Rider also serve the mall. ==History== The Portland Transit Mall (formally named simply the ''Portland Mall'') was constructed by TriMet, the Portland metropolitan area's regional transit agency, in 1976–77 and opened on December 11, 1977.〔"Mall makes it". (December 12, 1977). ''The Oregonian'', p. A1.〕〔"Mall enters future - and it works!" (March 19, 1978). ''The Sunday Oregonian'', p. M11. Excerpt: "Although the Portland Mall has () been officially dedicated, it has been in full operation since December."〕 It was formally dedicated in March 1978. The mall comprises 5th Avenue, for southbound buses, and 6th Avenue, for northbound buses, and when first opened it involved the sections of those streets extending from West Burnside Street to SW Madison Street: the central core of downtown. In June 1994, the mall was extended northward through Chinatown to Union Station (used by Amtrak) and the Greyhound bus depot.〔Oliver, Gordon (June 20, 1994). "More mall for all". ''The Oregonian'', p. B1.〕〔(【引用サイトリンク】 publisher = TriMet )〕 Short, unconnected additions were made in the area around Portland State University in the early 2000s. TriMet's Fareless Square (renamed the "Free Rail Zone" in 2010) encompassed the entire mall until discontinued in 2012, and these two facilities/measures, among others, have contributed to TriMet's having become one of the nation's most successful and most-studied public transportation systems.〔(【引用サイトリンク】 publisher = TriMet )〕 Until closing for rebuilding in 2007, the Portland Mall's design permitted private vehicle traffic to use the left lane, but only in short, two-block segments. In every third block, the lefthand (auto) lane disappeared for one block, and the otherwise three-lane-wide street became two lanes wide and restricted to buses only. In this way, two-thirds of the specific blocks along 5th Avenue and 6th Avenue remained open to cars, but use of those streets for ''through'' travel by cars was prohibited. 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「Portland Transit Mall」の詳細全文を読む スポンサード リンク
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