Passenger service to commence on Bangkok–Nakhon Ratchasima HSR by 2027, Thailand September 2, 2023 | Asia Pacific News, News Passenger service on the Bangkok-Nakhon Ratchasima high-speed rail (HSR) line is expected to commence in 2027. Construction works on the 608-km-long first section are 24 per cent completed. The line w... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password