 Albania, Argentina, Australia, Austria, Belgium, Bosnia and Herzegovina, Brazil ( 194 kilometers ), Bulgaria, Canada, China, Croatia, Cuba, Czech Republic, Denmark, Djibouti, DR Congo (Kamina-Lubumbashi section, planned), Ethiopia, France, Germany, Great Britain (United Kingdom), Greece, Hungary, India (only used in rapid transit), Indonesia (Aceh and Sulawesi), Italy, Israel, Liechtenstein, Lithuania (Rail Baltica), Luxembourg, Macedonia, Mexico, Montenegro, Netherlands, North Korea, Norway, Panama, Peru, Philippines, Poland, Romania, Serbia, Slovakia, Slovenia, South Korea, Spain (AVE, Alvia and FGC), Sweden, Switzerland, Turkey, United States, Uruguay, Venezuela, Also private companies' lines and JR high-speed lines in Japan.