Seibu Railway to modernise 144 Series 20000 train cars in Japan September 3, 2026 | Asia Pacific News, News Seibu Railway and Hitachi Rail will modernise 144 cars from the Series 20000 fleet in Japan. The upgraded trains are scheduled to return to passenger service progressively from 2028. The programme cov... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password