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The Purple Line of the Namma Metro is part of the metro rail system for the city of Bangalore, India. Under Phase I, there will be 17 stations, totalling a distance of 18.22 km on this line. Once finished under Phase II, it will consist of 36 stations from Whitefield in the east to Kengeri in the west. The line will measure 40.10 km and will be mostly elevated, with some stations underground. Currently, a 13.32 km stretch between Baiyyappanahalli and M. G. Road and between Mysore Road to Magadi Road is operational. The line will connect the eastern, central and western areas of Bangalore. The Phase I extension, from Mysore Road to Baiyyappanahalli is expected commence operations by December 2015, thereby completing the entire Purple Line stretch. ==History== The following dates represent the dates the section opened to the public, not the private inauguration. The detailed project report (DPR) for Phase I, comprising the Purple and Green Lines, of Namma Metro project was prepared by the Delhi Metro Rail Corporation (DMRC) and submitted to the BMRCL in May 2003. The final approval on a scheme that incorporated the expertise of DMRC and RITES Limited did not come until April 2006.〔(【引用サイトリンク】 title=Bangalore Metro Rail Project Phase 2 )〕 The DPR prepared by DMRC envisaged a elevated and underground rail network with 32 stations for Phase I of the project. The proposed gauge was standard gauge unlike the broad gauge on the Delhi Metro network. The rationale for the metro includes reduced journey times, cutting fuel use, accident reduction and lower pollution. Construction work for Phase I of the Namma Metro project was scheduled to start in 2005 but was delayed by a February 2006 change of government in Karnataka and continued debate over whether the project was financially feasible and appropriate for the city. Finally, on 25 April 2006 the Indian Cabinet approved the project, which was then budgeted at more than . The cost escalated to as various problems delayed the completion. BMRCL received from Housing and Urban Development Corporation (HUDCO), from the Asian Development Bank (ADB), 23% from the Central Government, 33% from the State Government and the rest as a loan from the Japan International Cooperation Agency (JICA).〔(【引用サイトリンク】title=Namma Metro Phase II requires Rs. 25,000 crore – southindia – Hyderabad – ibnlive )〕 Navayuga Engineering was awarded the contract to construct Reach 1 of the Purple Line in 2006.〔(【引用サイトリンク】work=Official webpage of B.M.R.C. )〕 The foundation stone for the Phase I construction was laid by Prime Minister Manmohan Singh on 24 June 2006,〔(【引用サイトリンク】work=PM office website )〕 and civil construction on Reach I of the line, between M.G. Road and Baiyyappanahalli, commenced on 15 April 2007. The underground work commenced in May 2011. Each corridor consists of two tunnels which are the first underground tunnels built for trains in South India. The tunnels, dug using tunnel boring machines (TBM), are located approximately 60 feet below ground level, have a diameter of 5.5metres and are 5metres apart. Four TBMs, nicknamed Helen (TBM 1), Margarita (TBM 2), Kaveri (TBM 3) and Krishna, were used for tunnelling work on the Purple Line. Reach 1 was originally scheduled to begin operations in March 2010.〔 Reach 2, the remaining elevated section of Purple Line was scheduled to be completed by December 2012. After the deadline was missed, the Bangalore Metro Rail Corporation Ltd (BMRCL) shifted the deadline to 31 December 2010. It was again changed to 4 April 2011 and then the date of inauguration was set at 15 September 2011. The next deadline set was 26 September 2011 which was also missed. The metro was finally opened to the public on 20 October 2011 at 4 pm IST by Union Urban Development Minister Kamal Nath. There was an overwhelming response to the metro at the commencement of operations. As per BMRCL sources within first 3 days of operations people used this mass transit system. At the end of 4th day about 200,000 passengers had already commuted in Namma Metro. Namma Metro's first 12-day cumulative revenue was . During the first month, since the opening of Reach I, about 1,325,000 people travelled by the metro. On average, 41,390 people took the train every day, while the average daily revenue was . The BMRC earned a revenue of in its first month of operation.〔(【引用サイトリンク】title=Namma Metro gains momentum – southindia – Bangalore – ibnlive )〕 In the first six months of operation, average ridership went down to 24,968. The BMRC earned a total of during the same period.〔(【引用サイトリンク】title=Joyrides in Bangalore Metro are over – Bangalore – DNA )〕 Namma Metro posted a profit of after almost one year of operating Reach I. BMRCL estimates that nearly 8 million passengers travelled on the system, in its first year of operations. Reach 2 received clearance to start services from Satish Kumar Mittal, the Commissioner for Metro Rail Safety (CMRS), on 21 September 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「Purple Line (Namma Metro)」の詳細全文を読む スポンサード リンク
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