Trans-Asian Railway trade routes. UNESCAP's Transport & Tourism Division began work on the initiative in 1992 when it launched the Asian Land Transport Infrastructure Development project. The agreement formally came into force on 11 June 2009. The Trans-Asian Railway system will consist of four main railway routes. The existing Trans-Siberian railway, which connects Moscow to Vladivostok, will be used for a portion of the network in Russia. Another corridor to be included will connect China to Korea, Mongolia, Russia and Kazakhstan. In 2003, the president of Kazakhstan proposed building a standard gauge link from Dostyk (on the Chinese border) to Gorgan in
Amur Railway and the Transbaikal section of the Transsib were merged to form the Transbaikal Railway. The construction of the Amur Railway was completed before the outbreak of World War I and cost over 250,000 million rubles. The eastern section of the railroad alone cost 73 million rubles. The famous Norwegian explorer and geographer Fridtjof Nansen referred to the Trans-Siberian Railway as a "technical wonder". Its construction favoured the rapid development of formerly backward regions of Siberia and Far East. Amur Railway The broad gauge Amur Railway (, or Amurskaya zheleznaya doroga) is the last section of the Trans-Siberian Railway in Russia,