Trans-Siberian Railway Trans-Siberian Railway The Trans-Siberian Railway (TSR, ) is a network of railways connecting Moscow with the Russian Far East. With a length of , it is the longest railway line in the world. There are connecting branch lines into Mongolia, China and North Korea. It has connected Moscow with Vladivostok since 1916, and is still being expanded. It was built between 1891 and 1916 under the supervision of Russian government ministers personally appointed by Tsar Alexander III and his son, the Tsarevich Nicholas (later Tsar Nicholas II). Even before it had been completed, it attracted travellers who wrote of their
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