Sin Bundang Line

Sin Bundang Line / DX Line 신분당선（新盆唐線） Sinbundangseon Statistics Type Commuter rail System Seoul Metropolitan Subway Status Opened Termini Gangnam Jeongja No. of stations 6 Operation Opened 28 October 2011 Operator(s) Shin Bundang Line Corporation Technical Line length 17.3 km (10.7 mi) No. of tracks 2  Route diagram

The Sin Bundang Line or DX Line ("Sin" pronounced "Shin"; literally The New Bundang Line) is a 17.3 km long, wide-area rail line. It connects to the Seoul Metropolitan Subway. It runs in a north-south direction linking Gangnam in Seoul's south with Jeongja in the Bundang residential district in the southern satellite city of Seongnam.

The initial route passes through 6 stations intersecting with three existing lines at Gangnam Station (Line 2), Yangjae Station (Line 3), and Jeongja Station (Bundang Line). Phase 2 will add several stops to the southern end and Phase 3 is a 7.5 km extension northward from Gangnam station to Yongsan and both are currently under construction. The northern extension will extend the line north-west of Gangnam where it will cross several additional lines before ending at Yongsan Station. This additional stretch is estimated to cost at least 400 billion won.^[1]

An existing Bundang Maintenance depot, owned by KNR and located about 1 km south of Jeongja Station, is used for the SBL Project rolling stock maintenance. The SBL Line signal system is based on state-of-the-art communications-based train control (CBTC) technology, utilizing two-way digital radio communications between intelligent trains, and wayside equipment, and a network of ATS/ATO computers designed for very high system reliability and availability. Construction started in mid-2005, for revenue start in Sep 2011. However, because of the disastrous flooding of late July 2011, the opening was delayed and was scheduled for late October 2011.^{[2] [3]}

Phases

Phase 1 is expected to alleviate some of the traffic from inner Seoul to Bundang which is mainly residential and within the greater Seoul area. The line is 17.3 km and intersects with several subway lines in south-eastern Seoul as well as with the Bundang Line. Travel from one end to the other is 16 minutes. Construction lasted for roughly six years starting in mid-2005 and ended at the end of October, 2011. Total cost between public and private sectors is estimated at 1,169 billion won.^[4][5][6]

Phase 2 is a southern extension totaling 12.7 km currently under construction. The official names at this point stand at SB1~SB5 ending in Gwanggyo. A groundbreaking ceremony signaled the start of construction with the planned projected completion in 2016.^[4]

Phase 3 will extend the northern side of the line from Gangnam where it will intersect Seoul Subway lines 1, 3 (again), 7, 9, and Jungang. It will cross the Han River and head west where it will end at Yongsan Station. The tunnel beneath the Han River was completed in August 2009.^[7]

Several more phases have been under consideration. If approved the section in Bundang would expand another 11.1 km to the south ending in Homaesil.^[4] An additional consideration would be to push north beyond Yongsan Station and end around Gwanghwamun and Gyeongbok Palace. It is unclear if this idea has been scrapped or pushed back for reevaluation later.^[8]

Operation

The initial route consists of six stations that are accessible from 5:30 AM until 12:30 AM. The trains will are automated and run every 2.5 minutes during peak times to 8 minutes during off-peak hours. The entire stock consists of 12 trains, 6 of which will be running at any given time completing 312 rounds every day. The trains can travel upwards of 90~120 km/h but will run at least 60 km/h. Platforms can accommodate 10-car trains at 200 meters but initially 6-car trains will be used.^[6][9][10]

Stations

Station Number	Station Name English	Station Name Hangul	Station Name Hanja	Transfer	Distance in km	Total Distance	Location
D07	Gangnam	강남	江南	Line 2	-	0.0	Seoul	Gangnam-gu
D08	Yangjae (Seocho-gu Office)	양재 (서초구청)	良才 (瑞草區廳)	Line 3	1.5	1.5		Seocho-gu
D09	Yangjae Citizen's Forest (Maeheon)	양재시민의숲 (매헌)	良才市民의숲 (梅軒)		1.7	3.2
D10	Cheonggyesan	청계산입구	淸溪山入口		2.9	6.1
D11	Pangyo	판교	板橋		8.0	14.1	Gyeonggi-do	Seongnam City
D12	Jeongja	정자	亭子	Bundang	3.2	17.3

Yongsan to Gangnam Extension - Phase 3 (2018)

Station Number	Station Name English	Station Name Hangul	Station Name Hanja	Transfer	Distance in km	Total Distance	Location
D01	Yongsan (2018)	용산	龍山	Line 1 Jungang KTX	-	0.0	Seoul	Yongsan-gu
D02	Ichon Station (2018) (National Museum of Korea)	이촌역 (국립중앙박물관)	二村驛 (國立中央博物館)	Line 4 Jungang
D03	Dongbinggo (2018) -or- Seobinggo Station	동빙고 -or- 서빙고역	東氷庫 -or- 西氷庫驛	Jungang for Seobinggo
D04	Sinsa (2018)	신사	新沙	Line 3				Gangnam-gu
D05	Nonhyeon (2018)	논현	論峴	Line 7
D06	Sinnonhyeon (2018)	신논현	新論峴	Line 9
D07	Gangnam	강남	江南	Line 2		7.5

See also

• Subways in South Korea
• Seoul Metropolitan Subway

References

1. ^ "Construction of Double Track Subway Line Between Gangnam and Yongsan Is Under Consideration". The Dong-A Ilbo. August 22, 2005. http://english.donga.com/srv/service.php3?bicode=020000&biid=2005082231358. 
2. ^ "Sin Bundang Line Set Back by Floods". 맙소사. August 1, 2011. http://teflorbust.wordpress.com/2011/08/01/sin-bundang-line-set-back-by-floods. Retrieved 28 Sep 2011. 
3. ^ "New Sin Bundang “Tentative” Opening Date: Oct. 28". 맙소사. September 4, 2011. http://teflorbust.wordpress.com/2011/09/04/sin-bundang-tentative-opening-date-oct-28. Retrieved 28 Sep 2011. 
4. ^ ^{a b c} "DX Line 홈페이지에 오신것을 환영합니다" (in Korean). Shin Bundang. http://shinbundang.co.kr/information/information04.asp. Retrieved 11 May 2011. 
5. ^ "DX Line 홈페이지에 오신것을 환영합니다" (in Korean). Shin Bundang. http://shinbundang.co.kr/information/information05.asp. Retrieved 11 May 2011. 
6. ^ ^{a b} "Construction of Sin Bundang Line on Track for 2010 Launch" (DOC) (Press release). IndustryKorea.net. http://www.industrykorea.net/BCS_Com/Project/Policy/Rotem/Rotem(08-05)/LinkData/080423-PPP_consortium(M).doc. Retrieved 11 May 2011. 
7. ^ "Tunnel sees daylight". Korea Joogang Daily. http://joongangdaily.joins.com/article/view.asp?aid=2908481. Retrieved 11 May 2011. 
8. ^ "Yongsan-Gangnam-Bundang subway completed in 2017". Seoul Village. http://seoulvillage.blogspot.com/2010/01/yongsan-gangnam-bundang-subway.htmlp. Retrieved 11 May 2011. 
9. ^ "DX Line 초첨단시스템의 운영 - 네오트핸싀주마 미래의 철도를 선도합니다" (in Korean). Shin Bundang. http://shinbundang.co.kr/images/information/information02_01.png. Retrieved 11 May 2011. 
10. ^ "THALES awarded CBTC signalling contract for SIN BUNDANG metro line in KOREA" (Press release). Thales. http://www.thalesgroup.com/Press_Releases/PT_PT_5_Metro_Coreia/. Retrieved 11 May 2011. 

External links

• UrbanRail.net's Seoul Subway page

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