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〕 (ComfortDelGro Corporation) | character = Underground | stock = C951 | signalling = Siemens Trainguard SIRIUS CBTC | linelength = (operational)〔 (''U/C'') | tracklength = | notrack = | gauge = | el = 750 V DC Third rail | speed = limit of 80 km/h | elevation = | map = | map_state = collapsed |depot = Gali Batu Kim Chuan Changi (Future) }} The Downtown Line (DTL) is the fifth Mass Rapid Transit line in Singapore. The , 6 station Stage 1 of the line opened on 22 December 2013,〔(【引用サイトリンク】 title=Land Transport Masterplan: Downtown Line Stage 1 to open on Dec 22 )〕 with Stage 2 on 27 December 2015〔(【引用サイトリンク】 title=The Rail Report: 12 Stations of Downtown Line 2 to Open on 27 December )〕〔(【引用サイトリンク】 title=Downtown Line 2 to open ahead of schedule in December: Transport Minister Lui )〕 and Stage 3 due to open in 2017. The line will connect the North-Western and Central-Eastern regions to the new downtown of Singapore. The Downtown Line interchanges with the North East Line at Chinatown, with the East West Line at Bugis, and with the Circle Line at Bayfront and Promenade. Future extensions of the Downtown Line will interchange with the North East Line at Little India, with the North South Line at Newton, with the East West Line at Tampines and Expo, with the Circle Line at MacPherson and Botanic Gardens, and with the Bukit Panjang LRT at Bukit Panjang. This line is the third in Singapore to be entirely underground (apart from the Gali Batu Depot). When fully completed, the line will be about long with 37 stations and will serve more than half a million commuters daily.〔( "MORE TRAINS, MORE CAPACITY, MORE OFTEN" ), Land Transport Authority〕 It will also be the longest driverless rapid transit line in Singapore, surpassing the record set by the Circle Line. Travelling from one end to the other will take around 70 minutes. The line is coloured blue in the rail map.〔 ==History== On 14 June 2005, the Land Transport Authority announced the Downtown Extension of the Circle Line to serve the Downtown at Marina Bay area, where an integrated resort (Marina Bay Sands) and Singapore's second botanical garden (Gardens by the Bay) was to be located. The 3.4-kilometre fully underground line was estimated to cost S$1.4 billion. Construction of the extension began in January 2008. During the construction of the North East Line at Chinatown station, platform provisions were built to facilitate an interchange station. Stage 2 of the Downtown Line was first conceptualized and announced as the Bukit Timah Line. It was supposedly a 20-kilometre line that would connect the new downtown with the Bukit Panjang, Upper Bukit Timah and Bukit Timah corridor, alleviating the heavy traffic travelling along the sector, but a full route was released. Provisions were provided at Nicoll Highway station which would have seen the line terminating there and interchanging with the Circle Line. However, the Nicoll Highway collapse and subsequent feasibility works deemed the old station unusable. The former Downtown Extension of the Circle Line was subsequently amalgamated into the Downtown Line and was revamped as part of Stage 1, a , 6 station segment connecting Chinatown to Bugis stations.〔 Stage 2 is now long and consists of twelve stations,〔 including three interchange stations. Construction for Stage 2 began on 3 July 2009 with a groundbreaking ceremony at Beauty World Station and was scheduled to be completed and opened in end-2015.〔"Groundwork begins for new MRT lines", Christopher Tan, The Straits Times, 13 March 2006〕〔("LTA unveils locations of DTL stage 2 stations" ), Christopher Tan, The Straits Times, 15 July 2008〕〔("Work on MRT Downtown Line Phase 2 Starts" ), Tyler Thia, Channel NewsAsia, 3 July 2009〕 Stage 3 of the Downtown Line consists of the original Eastern Region Line that was announced in 2001. The route goes from Chinatown to Expo. The station locations and finalized route were unveiled on 20 August 2010.〔(Downtown Line 3 Station Locations Unveiled ). Land Transport Authority, 20 August 2010〕 Stage 3 of the Downtown line will be long and serve 16 stations.〔 The completion is set for the first half of 2017.〔(Downtown Line 3 Station Names Announced )〕 A new depot, the Gali Batu Depot, is under construction at part of the former Kwong Hou Sua Teochew Cemetery off Woodlands Road to serve the line.〔("Downtown Line depot to be located off Woodlands Road" ), Margaret Perry, Channel NewsAsia, 26 February 2008〕 In August 2011, SBS Transit won the bid and was appointed to be the operator of the Downtown Line, under a new framework which would see the authority remaining the owner of the line.〔(LTA Appoints SBS Transit Limited to Operate Downtown Line under New Rail Financing Framework ) Land Transport Authority – 29 August 2011〕 Final costs of building the line may reach an estimated S$20.7 billion, up more than 70% from an initial estimation of S$12 billion.〔("Downtown Line costs soar by more than 70%" ), Christopher Tan, The Straits Times, 30 October 2012〕 In January 2013, plans for a southern extension which will run from Expo through the East Coast area, interchanging with the Eastern Region Line were announced for completion by 2025.〔(【引用サイトリンク】 title=TWO NEW RAIL LINES AND THREE NEW EXTENSIONS TO EXPAND RAIL NETWORK BY 2030 )〕 On June 2013, the insolvency of Alpine Bau, the contractor for the King Albert Park, Sixth Avenue and Tan Kah Kee stations resulted in Stage 2's opening to be delayed to mid-2016.〔(【引用サイトリンク】url=http://www.todayonline.com/singapore/downtown-line-stage-2-project-schedule-be-delayed )〕 Stage 1 of the Downtown Line began service on 22 December 2013,〔(【引用サイトリンク】 title=Downtown Line )〕 with its official inauguration made on the day before by Prime Minister Lee Hsien Loong. DTL3e was announced on 15 August 2014, in conjunction with the announcement of the Thomson-East Coast MRT Line.〔("Thomson-East Coast Line, connecting North and East, ready by 2024" ), Saifulbahri Ismail, Channel NewsAsia, 15 August 2014〕 Two stations, Xilin MRT Station and Sungei Bedok MRT Station will be added to the Downtown Line, with Sungei Bedok as an interchange station with the Thomson-East Coast Line. It will add an additional 2.2 km to the line with the extension.〔 Due in 2024, Stage 3e will join the current East West and future Thomson-East Coast lines that runs through Marine Parade.〔(【引用サイトリンク】 title=Downtown Line 3 Extension )〕 In October 2014, it was announced that the Stage 2's opening delayed to the first quarter of 2016.〔(【引用サイトリンク】url=http://www.straitstimes.com/news/singapore/more-singapore-stories/story/thumbs-downtown-lines-earlier-opening-20141003 )〕 On 28 June 2015, Transport Minister Lui Tuck Yew announced that the delay caused by Alpine Bau's insolvency in mid-2013 was "completely resolved" by the authorities and Stage 2 opening date goes back to December 2015. 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「Downtown MRT Line」の詳細全文を読む スポンサード リンク
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