Worldwide: Country-wise high-speed rail development July 1, 2016 | Data & Statistics As of April 2015, more than 32,669 km of length is operational as part of high-speed rail (HSR) networks in 14 countries. Another 19,204 km of length is under construction in 10 countries. The followi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password