Gyeongbu high-speed railway

Gyeongbu HSR
Overview
Native name	경부고속선
Status	In operation: Seoul–Daejeon Daejeon–Daegu Daegu–Busan Planned: downtown Seoul
Owner	Korea Rail Network Authority
Termini	Seoul Station (actual end of line: Siheung Interconnection near Geumcheon-gu Office station) Busan station
Stations	6
Service
Type	High-speed rail
Operator(s)	Korea Train Express
Depot(s)	Osong Gwangmyeong (night) Yeongdong (maintenance)
Rolling stock	KTX-I, KTX-Sancheon, SRT
History
Opened	1 April 2004: Seoul–Daejeon Daejeon–Daegu 1 November 2010: Daegu–Busan 1 August 2015: downtown Daejeon downtown Daegu
Technical
Line length	346.4 km (215.2 mi) (without interconnectors) 387.3 km (240.7 mi) (from 2014)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Minimum radius	7,000 m (23,000 ft)
Electrification	25 kV/60 Hz catenary
Operating speed	305 km/h (190 mph) 350 km/h (217 mph) design
Route map Legend Gyeongui Line -15.4 Goyang Depot (14.9) Haengsin (0.0) Seoul (3.2) Yongsan (5.8) Noryangjin Yeongdeungpo Geumcheon-gu Office (0.0│17.7) Siheung interconnection (1.5)│13.2 Gwangmyeong Night Depot Gyeongbu Line 15.6 Gwangmyeong SMS L1 shuttle Iljik Tunnel 10,290 m Super Rapid Train 89.6 Cheonan–Asan Janghang Line Pungse Viaduct 6,844 m Osong Depot 118.2 Osong Chungbuk Line Honam HSR Gyeongbu Line 145.5│5.8 end of high-speed section 148.7│2.6│(161.6) Daejeonjochajang Junction Honam Line 150.7│(0.6│163.6) 151.3│(0.0│164.2) North Daejeon interconnection 153.4│(166.3) Daejeon 158.0 start of high-speed section (0.0│182.9) 174.8│(4.2) South Daejeon interconnection Gyeongbu Line Hwashin 5 Tunnel 6,247 m 208.8 218.8 Hwanghak Tunnel 9,970.5 m 233.1 Gimcheon (Gumi) Gyeongbu Line (3.5)│265.7 (308.2│0.0) North Daegu interconnection end of high-speed section 286.8│(326.3) Dongdaegu 289.4│(328.9) 293.4 start of high-speed section Daegu Line Gyeongbu Line Donghae Line 335.8 Gyeongju Donghae Line 365.8 Ulsan Wonhyo Tunnel 13,270 m Geumjeong Tunnel 20,323 m Gyeongbu Line │ Donghae Nambu Line 416.2 end of high-speed section (441.7)│417.5│(0.0) Busan This diagram: view talk edit

The Gyeongbu high-speed railway, also known as Gyeongbu HSR, is South Korea's first high-speed rail line from Seoul to Busan. KTX high-speed trains operate three sections of the line: on 1 April 2004, the first between a junction near Geumcheon-gu Office station, Seoul and a junction at Daejeonjochajang station north of Daejeon, and a second between a junction at Okcheon station, southeast of Daejeon, and a junction near Jicheon station, north of Daegu entered service; then on 1 November 2010, the third section, between a junction west of Daegu and Busan became operational. The missing gaps across the urban areas of Daejeon and Daegu were in construction for an expected opening in 2014, separate tracks into Seoul Station were also planned. The temporary ends of the three sections were connected to the parallel conventional Gyeongbu Line by tracks that will serve as interconnector branches upon the completion of the entire line. On 1 August 2015, construction on urban areas of Daejeon and Daegu were completed; all the sections of HSR line were connected.

As of November 2010, two train services use the line: the Gyeongbu KTX Line, with trains running along the Gyeongbu HSR or the parallel Gyeongbu Line only; and the Honam KTX Line, with trains leaving the Gyeongbu HSR at Daejeon and continuing on the conventional Honam Line. A number of other high-speed lines branching from the Gyeongbu HSR are in construction or planned, and several more KTX services using connecting conventional rail lines are also planned. After 2016, the privately owned SRT service started operations on the railway from Suseo station in Seoul.