# South Korean KTX high-speed rail capacity shortages > Live situation record from CLSTR: https://clstr.news/situations/south-korean-ktx-high-speed-rail-capacity-shortages > Updated: 2026-10-13T05:47:50.000Z. Sources: 3. Developments: 2. South Korea is experiencing a significant shortage of seats on KTX high-speed trains, with the daily average of standing passengers exceeding 10,000 for the first time. Data indicates that while passenger demand surged by approximately 83.1% between 2021 and 2023, the supply of available seats grew by only 5.2%. This imbalance is driven largely by an aging fleet, with 50.2% of vehicles requiring increased maintenance, and a high utilization rate of 117.9% in the first half of 2026. During a National Assembly audit of Korail, lawmakers highlighted the need for infrastructure projects, such as the Pyeongtaek-Osong double-track expansion, to address the structural supply deficit. The audit also addressed operational issues, including a significant increase in the repair time for malfunctioning onboard vending machines. Furthermore, political debate has emerged regarding the integration of KTX and SRT high-speed rail operations. Proponents argue the integration will reduce costs for citizens, while critics warn it may increase Korail’s debt through potential revenue losses from fare reductions. ## Timeline ### 2026-10-13: Korail faces scrutiny over KTX seat shortages and rail integration South Korean lawmakers criticized Korail during a National Assembly audit, citing a massive gap between rising KTX passenger demand and seat supply, alongside debates over high-speed rail integration. 2 sources. https://clstr.news/cluster/korail-faces-scrutiny-over-ktx-seat-shortages-and-rail-integration ### 2026-09-15: KTX standing passengers exceed 10,000 daily amid seat shortages Daily KTX standing passengers in South Korea have exceeded 10,000 for the first time as seat supply declines due to aging high-speed trains and rising demand, prompting calls for urgent national investment. 2 sources. https://clstr.news/cluster/ktx-standing-passengers-exceed-10000-daily-amid-seat-shortages --- Cite as: South Korean KTX high-speed rail capacity shortages. CLSTR, https://clstr.news/situations/south-korean-ktx-high-speed-rail-capacity-shortages