Seoul Subway Line 7

Seoul Subway Line 7

Infobox Korean name
title = Seoul Subway Line 7
color = #5d6622
fontcolor = #FFFFFF


imgwidth = 120px
caption = Transfer Sign
rr = Seoul Jihacheol Chil-ho-seon
mr = Sŏul Chihach'ŏl Chil-ho-sŏn
hangul = 서울 지하철 제7호선
hanja = 서울 地下鐵 第七號線

Seoul Subway Line 7 of the Seoul Metropolitan Rapid Transit Corporation was built 1990-96 (Jangam-Konkuk Univ.) and was completed 1 August 2000 (central section 17 km. Konkuk University to Sinpung); the western section between Sinpung and Onsu was put into service on 29 February 2000. This north-south line does not run through the city centre but links Gangnam directly to the northern parts of town.

The future plan is an extension to Incheon Subway Line 1 to relieve the traffic congestion in western Seoul and northern Incheon. 9 stations will be added by 2010 for the 9.8 km extension, starting from Onsu Station of Line 7 and ending at Bupyeong-gu Office Station of Incheon Subway Line 1. [ [http://subway.seoul.go.kr/plan/plan_04.asp 서울특별시 도시철도건설본부 - "안전하고 편리한 지하철 건설" ] ] By that time, this line will run through 5 cities. Current length: 46.9 km.

Technical Information

Manufacturer

The trains manufactured for the initial opening stage (stations Jangam and Kunkuk University) in 1996 were manufactured by DaeWoo Heavy Industries between 1995 and 1996 and they used inverters from GEC-ALSTOM.

For the second opening stage between Shinpung and Onsu and in preparation for the opening of stations Shinpung and Kunkuk University, Hanjin Heavy Industries manufactured new trains using Toshiba inverters. Currently, all line 7 trains are being modified to be fire resistant.

Train Specifications

Manufacturer Daewoo and Hanjin (ROTEM)
Incorporation Date Daewoo: 1995-1996 / Hanjin: 1999-2000
Maximium Rated Speed 100km/h
Maximium Operation Speed 80km/h
Average Operation Speed 32.34km/h [ [http://gall.dcinside.com/list.php?id=train&no=18615 철도 갤러리 ] ]
Length of each car 19.5m
Width of each car 3.12m
Height of each car 1.15m
Control Method VVVF(Variable Voltage, Variable Frequency) Inverter Control Method
Rate of Acceleration 3.0km/h/s
Rate of Deceleration 3.5km/h/s
Rate of Emergency Deceleration 4.5km/h/s
Electrical Specification 1500V DC
Signal Systems ATC, ATO
Signal Systems in use ATC (All Tracks)

Train Car Composition

Side facing Jangam < 71xy - 72xy - 73xy - 74xy - 75xy - 76xy - 77xy - 70xy > Side facing Onsu.

Side facing Jangam < Tc - Mp - M - T - T - Mp - M - Tc > Side facing Onsu.

Tc: Control Trailer Mp: Motor Car w/ Pantograph M: Motor Car w/o Pantograph T: Trailer.

tations

ee also

*Subways in South Korea
*Seoul Metropolitan Rapid Transit Corporation
*Seoul Metropolitan Subway

References

External links

* [http://subway.seoul.go.kr/plan/plan_04.asp Seoul Metropolitan Government's Line 7 extension page] includes a route map and status information for the westward extension from Onsu.
* [http://www.urbanrail.net/as/seou/seoul.htm UrbanRail.Net's Seoul Subway Page]


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