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Samjiyon Line

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Samjiyŏn Line
Overview
Native name삼지연선 (三池淵線)
StatusOperational
OwnerKorean State Railway
LocaleRyanggang
Termini
Stations12
Service
TypeHeavy rail
Operator(s)Korean State Railway
History
Opened1948
Closed1994
Reopened5 April 2017
Technical
Line length77.2 km (48.0 mi) (old line)
64.0 km (39.8 mi) (new line)
Number of tracksSingle track
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Old gauge762 mm (2 ft 6 in)
Electrification1500 V DC Overhead line (old line)
Route map

Legend
Paektusan Ch. Line
0.0
 Wiyŏn
Paektusan Ch. Line
(new bridge appx 90 m (300 ft))
(old bridge appx 85 m (279 ft))
1.3
 Hwajŏn
Closed
6.2
6.3
 Poch'ŏn Ch'ŏngnyŏn
Poch'ŏn Line
Closed
Karimch'ŏn
(old bridge appx 25 m (82 ft))
(old bridge appx 40 m (130 ft))
10.8
 Sangŭip'yŏng
Closed
Kusimuldong
Closed
13.5
 Kansambong
Closed
(old bridge appx 170 m (560 ft))
(new bridge appx 275 m (902 ft))
14.4
 P'ot'ae
(tunnel appx 330 m (1,080 ft))
(tunnel appx 135 m (443 ft))
(tunnel appx 540 m (1,770 ft))
(tunnel appx 420 m (1,380 ft))
20.2
 Nongsan
Closed
(bridge appx 305 m (1,001 ft))
25.7
 Chagasu
Closed
31.5
 Toksan
Closed
48.6
 Samp'o
Closed
(bridge appx 40 m (130 ft))
56.0
 Yangsu
Closed
 Rimyŏngsu Ch'ŏngnyŏn
58.9
 Rimyŏngsu
Closed
61.2
 Kŏnch'ang
switchback
Closed
69.3
 Pegaebong
Closed
72.2
 Samjiyŏn
Closed
59.4
 Samjiyŏn Ch'ŏngnyŏn
64.0
77.2
 Samjiyŏn Motka
new line
old line

Samjiyŏn Line is the name of a railway line of the Korean State Railway in Ryanggang Province, North Korea, running from Wiyŏn on the Paektusan Ch'ŏngnyŏn Line to Motka.[1] The name is applied both to the original narrow gauge line built in 1948,[2] as well as to the new standard gauge line opened in 2017.[3]

While the original line was 77.2 km (48.0 mi),[1] the new standard gauge line is considerably shorter at 64 km (40 mi).[4]

History

[edit]

To replace the Hyesan to Rimyŏngsu road, which had been built by the Japanese colonial authorities and which by the time of the Liberation of Korea had fallen into a poor state of repair, the Korean State Railway built the 81.8 km (50.8 mi) Samjiyŏn Line in 1948.[2] Extensive flooding in 1994 led to the closure of the line.[5][6]

Conversion to standard gauge

[edit]

In August 1980, Kim Il Sung ordered the construction of a new east–west transversal trunk line in the extreme north of the country.[7] To accomplish this, railway engineers planned the new line, called the Pukbunaeryuk Line, connecting Manp'o in the west with Hoeryŏng in the east to make use of parts of existing lines where possible to reduce the amount of new construction needed.[8] Construction of this line was to take place in three stages. The first stage, completed in 1988, extended the former Unbong Line to Hyesan, resulting in the current Pukpu Line; the second stage was to have connected Hyesan to Musan on the Musan Line,[8] and the third stage was to have connected Musan to Hoeryŏng on the Hambuk Line.[8]

Construction of the second stage was to have made use of parts of existing lines in several places. From Hyesan to Wiyŏn it was to have shared the existing standard gauge trackage of the Paektusan Ch'ŏngnyŏn Line. The plan also included the conversion to standard gauge of four sections of existing narrow gauge lines: from Wiyŏn to Karim, the existing section of the Samjiyŏn line was to have been regauged; from Karim to Poch'ŏn the existing section of the Poch'ŏn Line was to have been regauged, from Rimyŏngsu to Motka, the remaining portion of the Samjiyŏn Line was to have been converted, and from Hŭngam to Musan the existing section of the narrow gauge Paengmu Line was to have been regauged. Then, new track was to be laid between Poch'ŏn and Rimyŏngsu and between Motka and Hŭngam to connect the regauged sections into a complete line.[8] Although some initial work was started on the second stage, the DPRK's financial crisis of the 1990s led to the project being suspended until 2007.

In 2005, much of the existing infrastructure on the closed narrow gauge line was demolished to make way for new construction,[5] and in early 2007 work began on the new standard gauge line, but due to financial difficulties stopped after only four months;[9] work resumed in November 2008.[6] A ceremony was held on 15 November 2009,[5] but due to a shortage of materials construction was again suspended in August of the same year.[10]

Work resumed once again on 25 May 2015,[11] and another groundbreaking ceremony was held on 4 June of that year.[12] Heavy rains in July of that year caused difficulties,[13] and work was suspended once again in early 2016;[14] it was resumed again later that year with second-hand rail from China; this rail was cut down to 13 m (43 ft).[15] In comparison, domestic rail from the Hwanghae Iron & Steel Complex is supplied in 9 m (30 ft) sections made up of three 3 m (9.8 ft) sections joined by welding.[15]

Finally, on 5 April 2017 the first runs were made along the line using two diesel locomotives.[3]

Per the original Pukbunaeryuk Line construction plans, construction is to continue from Motka to Musan, but this is not currently being pursued.[16]

Services

[edit]

Prior to its closure, many passenger and freight trains ran on the Samjiyŏn Line; in addition to being the main means of transport for local inhabitants, many travellers from around the country used the line to visit the Samjiyŏn Revolutionary Site.[2]

Route

[edit]

A yellow background in the "Distance" box indicates that section of the line is not electrified; a pink background indicates that section is 2 ft 6 in (762 mm) narrow gauge; an orange background indicates that section is non-electrified narrow gauge.

Former narrow gauge line

[edit]
Distance (km) Station Name Former Name
Total S2S Transcribed Chosŏn'gŭl (Hanja) Transcribed Chosŏn'gŭl (Hanja) Connections
0.0 0.0 Wiyŏn 위연 (渭淵) Paektusan Ch'ŏngnyŏn Line
1.3 1.3 Hwajŏn 화전 (樺田)
6.3 5.0 Karim 가림 (佳林) Paektusan Rimch'ŏl Line
13.5 7.2 Kansambong 간삼봉 (間三峰)
20.2 6.7 Nongsan 농산 (農山)
25.7 5.5 Ch'agasu 차가수 (車哥水)
31.5 5.8 Toksan 독산 (獨山)
48.6 17.1 Samp'o 삼포 (三浦)
56.0 7.4 Yangsu 양수 (陽水)
58.9 2.9 Rimyŏngsu 리명수 (鯉明水)
61.2 3.7 Kŏnch'ang 건창 (乾昌) Station on switchback.
69.3 8.1 Pegaebong 베개봉 (-)
72.2 3.9 Samjiyŏn 삼지연 (三池淵)
77.2 5.0 Motka 못가 (-)

New standard gauge line

[edit]
Distance (km) Station Name Former Name
Total S2S Transcribed Chosŏn'gŭl (Hanja) Transcribed Chosŏn'gŭl (Hanja) Connections
0.0 0.0 Wiyŏn Ch'ŏngnyŏn 위연청년 (渭淵靑年) Paektusan Ch'ŏngnyŏn Line
Hwajŏn 화전 (樺田)
6.2 Poch'ŏn Ch'ŏngnyŏn 보천청년 (普天靑年)
14.4 8.2 P'ot'ae 포태 (胞胎)
Rimyŏngsu Ch'ŏngnyŏn 리명수청년 (鯉明水靑年)
59.4 Samjiyŏn Ch'ŏngnyŏn 삼지연청년 (三池淵靑年)
64.0 4.6 Samjiyŏn Motka 삼지연못가 (三池淵못가)

References

[edit]
  1. ^ a b Kokubu, Hayato (2007). 将軍様の鉄道 [The Railways of the General] (in Japanese). Tokyo: Shinchosha. p. 92. ISBN 978-4-10-303731-6.
  2. ^ a b c 북한지역정보넷 - 삼지연선
  3. ^ a b 북, ‘혜산-삼지연’간 철도공사 완공
  4. ^ "혜산~삼지연 철길, 정치적 의도 내포".
  5. ^ a b c 北 자재난 심각…2012년 국책사업 줄줄이 ‘중단’, 《데일리NK》, 2009.10.09.
  6. ^ a b “사람 굶는데 ‘김일성 100년’ 공사 한창”, 《데일리NK》, 2008.10.16.
  7. ^ 북한 북부철길 개건사업 마감단계.. ‘제2의 마식령속도’ 창조
  8. ^ a b c d 북부 철길 건설
  9. ^ 北, 백두산 관광철도 공사 재개한듯, 《뉴시스》, 2015.05.29.
  10. ^ 北, 백두산 화산폭발 대비 사전준비 돌입, 《노컷뉴스》, 2011.02.10.
  11. ^ 北, ‘백두산 관광철도’ 공사 재개, 《노컷뉴스》, 2015.05.29.
  12. ^ 北, 김정은 여름 휴양 위해 수천명 동원해 전용철도 건설
  13. ^ 北 양강도 폭우, 6월 한달 17명 사망, 《노컷뉴스》, 2015.07.02.
  14. ^ 백두산철도 기간 내 완공 어려워, 《자유아시아방송》, 2016.04.20.
  15. ^ a b 북, 삼지연 철도공사에 총력
  16. ^ 북, 외화벌이 급해 북부 윤환선 포기, 《자유아시아방송》, 2015.06.10.
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