DELAYED2 years late40% CONFIDENCEWikipedia[1] states the station "as of May 2026, is not scheduled to open until October 2028"; no day is given, so the pin sits on 1 October 2028.First promised for 08/01/2026; now 2 years later. Stated: Wikipedia records that "the connection between Seoul Station and Suseo is anticipated to open in August 2026", but that "in May 2026, it had been discovered that a number of support columns at the fifth basement level at Samseong Station had been constructed inadequately, making the targeted August 2026 opening unlikely", and that the station "as of May 2026, is not scheduled to open until October 2028".
- Start
- Oct 1, 202840% CONFIDENCELow confidencefrom the source
GTX-A's Samseong Station Opens After a Rebar Rebuild
Samseong is the in-fill station between Seoul Station and Suseo on the GTX-A express line, sitting inside the Yeongdongdaero transfer complex in Gangnam. In May 2026 inspectors found 50 of the 80 support columns on the fifth basement level had one layer of reinforcement where the design called for two, and Hyundai Engineering and Construction is covering the roughly 3 billion won repair.
- Samseong is the missing link on GTX-A: the line opened on 30 March 2024 but runs as two separate sections, Dongtan to Suseo and Unjeongjungang to Seoul Station, and the connection between Seoul Station and Suseo was anticipated to open in August 2026[1]
- In May 2026 it was discovered that a number of support columns at the fifth basement level of Samseong Station had been constructed inadequately, "making the targeted August 2026 opening unlikely"[1]
- Samseong has since slipped further, and as of May 2026 is not scheduled to open until October 2028 - though the article's own station table still lists April 2028, a date it does not reconcile with the text[1]
- Samseong sits at 43.1 km on the line between Seoul Station (33.0 km) and Suseo (48.3 km), and Bongeunsa station is to be merged with it[1]
- GTX-A is officially the Metropolitan Area Rapid Transit Line A, a nine-station underground commuter railway owned by the Government of South Korea, double-track standard gauge at 25 kV/60 Hz, running at 180 km/h with trains carrying 1,090 passengers each[1]
- Service runs three to four times an hour per direction on the southern section and six times an hour on the northern section; about 30 km of the line shares rail with the SRT and a further 9 km at the western end is entirely underground[1]
- Delay is a pattern on this line: groundbreaking was on December 27, 2018 with service initially expected in 2023, and the project "has been officially delayed due to land compensation issues and the discovery of archaeological ruins dating from the Joseon period"; Suseo, Seongnam and Dongtan opened 30 March 2024, Guseong on 29 June 2024 and Unjeongjungang-Seoul Station on 28 December 2024, with Changneung not due until 2030[1]
- GTX-A is one of three lines - with GTX-B, under construction since 7 March 2024 and planned for 2030, and GTX-C, under construction since 25 January 2024 and planned for 2028 - in a network scheduled for completion in 2030, with lines D, E and F still being planned[1]
- The wiki does not carry the detail of the defect itself: it gives no column counts, no account of reinforcement layers, no repair cost and does not name a contractor[1]
References 140% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]40%en.wikipedia.org/wiki/Great_Train_eXpressen.wikipedia.org· Posted Sep 20, 2026· Starts Oct 1, 2028 ✓· 100% of score
Wikipedia states the station "as of May 2026, is not scheduled to open until October 2028"; no day is given, so the pin sits on 1 October 2028.
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