Rail transport in Estonia Rail transport in Estonia The rail transport system in Estonia consists of about of railway lines, of which are currently in public use. The infrastructure of the railway network is mostly owned by the state and is regulated and surveyed by the Estonian Technical Surveillance Authority (). All public railways in Estonia are (Russian gauge), the same as in Russia, Belarus, Latvia, and Lithuania. The gauge used in Estonia is also compatible with Finland's gauge. Sometimes it is defined to be (see Rail gauge in Estonia), for example when buying track maintenance or vehicles from Finland. Railways in Estonia today
Estonia establish a larger alliance together with Finland, Poland, and Latvia failed, with only a mutual defence pact being signed with Latvia in 1923, and later was followed up with the Baltic Entente of 1934. In the 1930s, Estonia also engaged in secret military cooperation with Finland. Non-aggression pacts were signed with the Soviet Union in 1932, and with Germany in 1939. In 1938, Estonia declared neutrality, but this proved futile in World War II. On 23 August 1939 Germany and the Soviet Union signed the Molotov–Ribbentrop Pact. The pact's secret protocol divided Eastern Europe into spheres of influence, with Estonia