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Unlike Portugal, Thailand currently does not have any high-speed rail lines, but the country has been working on developing a comprehensive network since 2010. The plan is for trains to travel at up to 250 km/h, with Bangkok serving as the central hub.
Only one of the four proposed lines is currently under construction, linking Bangkok to Nakhon Ratchasima in the northeast by 2028 and then connecting to Sema and Nankai by 2030. The project has faced delays due to negotiations with China, which is helping to finance the construction as part of its Belt and Road Initiative.