Trans-Siberian Railway e.g. used by train No.020, Moscow–Beijing follows the same route as the Trans-Siberian between Moscow and Chita and then follows this route to China: The express train (No. 020) travel time from Moscow to Beijing is just over six days. There is no direct passenger service along the entire original Trans-Manchurian route (i.e., from Moscow or anywhere in Russia, west of Manchuria, to Vladivostok via Harbin), due to the obvious administrative and technical (gauge break) inconveniences of crossing the border twice. However, assuming sufficient patience and possession of appropriate visas, it is still possible to travel all the way along
Chinese Eastern Railway in Harbin. The railway and the concession, known as the Chinese Eastern Railway Zone, were administered from the city, which grew into a major rail hub. The southern branch of the CER, which became the South Manchuria Railway in 1906, became the locus and partial casus belli for the Russo-Japanese War, the 1929 Sino-Soviet Conflict, and the Second Sino-Japanese War. The Soviet Union returned the Chinese Eastern Railway to the People's Republic of China in 1952. The Chinese Eastern Railway, a single-track line, provided a shortcut for the world's longest railroad, the Trans-Siberian Railway, from near the Siberian city of