Tilting Train Express

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Tilting Train Express
In service Not in service
Manufacturer TTX Consortium
Built at Hyundai Rotem Changwon factory
Family name Hanvit
Constructed 2007
Number built 1
Formation 2M+2T+2M[1]
Capacity 278[1]
Operator(s) TTX Consortium
Line(s) served Chungbuk Line, Jungang Line
Car body construction carbon/epoxy sandwitched aluminum honeycomb
Car length 24.50 m (80.4 ft)
Width 2.95 m (9.7 ft)
Maximum speed achieved in tests:
222 km/h (138 mph)
design: 200 km/h (124 mph)
planned in service:
180 km/h (112 mph)
Weight 344 t (379 short tons; 339 long tons)[1]
Power output 16 × 250 kW (340 hp)
(4,000 kW or 5,400 hp)[1]
Power supply 25 kV/60 Hz AC
Electric system(s) catenary
Current collection method Single arm pantograph
UIC classification Bo'Bo' + Bo'Bo' + 2'2' + 2'2' + Bo'Bo' + Bo'Bo'
Safety system(s) Automatic Train Stop and
Automatic Train Protection
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge

Tilting Train Express (TTX) or Hanvit 200 is a South Korean experimental high-speed tilting train, which is currently being tested by the Korea Railroad Research Institute (KRRI).

Technical details[edit]

The six-car train has distributed power and a design speed of 200 km/h (124 mph) and a planned service speed of 180 km/h (112 mph).[1] The carbody is made on an aluminum honeycomb structure sandwiched between a carbon/epoxy composite material, reducing carbody mass by 40%.[1] The interior design of two of the powered cars provides for 29 First Class seats in 2+1 configuration, that of the other two powered cars 56 Standard Class seats in 2+2 configuration, that of unpowered end cars 54 Standard Class seats.[1]


TTX was presented to the public on January 16, 2007, when the first test run was planned for the next month.[2] The actual first test was conducted on April 2, 2007, on the Chungbuk Line.[3]

Following a call by Nam-Hee Chae, the president of the Korea Railroad Research Institute, for proposals for a generic name for Korean-made high-speed trains,[4] on April 5, 2007, Chae announced the name Hanvit (Hangul: 한빛),[5] which means a streak of intense light in Korean.[6] Under the new naming scheme, TTX became Hanvit 200.[5]

The first test run with active tilting was conducted in the presence of the media on May 22, 2007, between Osong Station and nearby Ogeunjang Station on the Chungbuk Line.[7] At the time, the train was planned to enter service in 2010.[7] Until December 21, 2008, the train ran over 20,000 km (12,000 mi) in test runs on the Chungbuk Line, short of the 100,000 km (62,000 mi) planned.[8] The test program of 100,000 km (62,000 mi) was completed until the end of 2009, with test runs on the Chungbuk, Jungang, Honam, Gyeongbu and Taebaek Lines followed by high-speed testing on the Gyeongbu High Speed Railway (Gyeongbu HSR), with 200 km/h (124 mph) achieved at 00:33 on November 19, 2009, between Osong and Daejeon.[9] In a further test in September 2010 on the not yet opened second stage of the line between Daegu and Busan, the train achieved 222 km/h (138 mph).[10]

Series version[edit]

By the end of 2009, the series version of the train was expected to enter regular service in 2013, starting on the Jungang Line.[9] The future service is expected to reduce the travel time between Cheongnyangni in Seoul and Yeongju from the current Mugunghwa-ho travel time of 3 hours 25 minutes to 2 hours 55 minutes, further reducing to 1 hour 55 minutes after the upgrade of the Jungang Line.[10] Further services are planned on the Taebaek and Yeongdong Lines.[9]

See also[edit]


  1. ^ a b c d e f g 한국형 복합소재 틸팅열차(한빛 200) (PDF) (in Korean). KRRI. Retrieved 2011-01-05. 
  2. ^ "TTX unveiled to public". KRRI. 2007-01-18. Retrieved 2010-11-21. 
  3. ^ "TTX prototype gets on test track". KRRI. 2007-05-02. Retrieved 2010-11-21. 
  4. ^ "HSR350x looking out for name". KRRI. 2006-05-04. Retrieved 2010-11-21. 
  5. ^ a b 한국형고속열차 네이밍 (in Korean). Chae, Nam-Hee. 2007-04-05. Retrieved 2010-11-20. 
  6. ^ Kim, Kihwan (May 2008). "Korea develops high-speed ambitions". International Railway Journal: 35–36. Retrieved 2010-11-21. 
  7. ^ a b "Korean TTX 'Hanvit 200' implements first test ride". KRRI. 2007-06-15. Retrieved 2010-11-21. 
  8. ^ "Hanvit-200 records over 20,000km on test". KRRI. 2008-01-18. Retrieved 2010-11-21. 
  9. ^ a b c "Korean Advanced Tilting Train Completes 200km/h Maximum Speed Test Run". KRRI. 2009-12-30. Retrieved 2010-11-21. 
  10. ^ a b "Driving test of Korean tilting train TTX 222Km/h Completed". KRRI. 2010-10-11. Retrieved 2010-11-21.