Czechoslovak State Railways (''Československé státní dráhy'' in Czech or ''Československé štátne dráhy'' in Slovak, often abbreviated to ČSD) was the state-owned railway company of

Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...

. The company was founded in 1918 after the end of the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

and dissolution of

Austria-Hungary Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...

. It took over the rolling stock and infrastructure of the Imperial Royal Austrian State Railways. In 1930 Czechoslovakia had of railways: the fifth-largest network in Europe. Of these 81% were state (ČSD)-owned, and the trend was to nationalize the remaining private railways. Most of the infrastructure was concentrated in the industrial regions of the

Czech lands The Czech lands or the Bohemian lands ( cs, České země ) are the three historical regions of Bohemia, Moravia, and Czech Silesia. Together the three have formed the Czech part of Czechoslovakia since 1918, the Czech Socialist Republic since 1 ...

. 87% of the railroads were single-track. 135,000 people were employed on the railways: about 1% of the population. When

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

dissolved Czechoslovakia in 1939, the

Protectorate of Bohemia and Moravia The Protectorate of Bohemia and Moravia; cs, Protektorát Čechy a Morava; its territory was called by the Nazis ("the rest of Czechia"). was a partially annexed territory of Nazi Germany established on 16 March 1939 following the German oc ...

formed the "Bohemian-Moravian Railway" company (in Czech ''Českomoravské dráhy-ČMD'', in German ''Böhmisch-Mährische Bahn-BMB'') under the control of Deutsche Reichsbahn (DR). In the

Slovak State Slovak may refer to: * Something from, related to, or belonging to Slovakia (''Slovenská republika'') * Slovaks, a Western Slavic ethnic group * Slovak language, an Indo-European language that belongs to the West Slavic languages * Slovak, Arka ...

the "Slovak Railways" company (in Slovak ''Slovenské železnice-SŽ'') was formed. In 1945 ČSD was re-established. After the

dissolution of Czechoslovakia The dissolution of Czechoslovakia ( cs, Rozdělení Československa, sk, Rozdelenie Česko-Slovenska) took effect on December 31, 1992, and was the self-determined split of the federal republic of Czechoslovakia into the independent countries o ...

at the end of 1992, the company was divided into the state-owned České dráhy (Czech Railways) and

Železnice Slovenskej republiky Railways of the Slovak Republic ( sk, Železnice Slovenskej republiky, acronym: ''ŽSR'') is the state-owned railway infrastructure company of Slovakia. The company was established in 1993 as the successor to the Czechoslovak State Railways ( ...

(Railways of the Slovak Republic). The fixed infrastructure was transferred to the successor countries according to location; the remainder was divided by 2:1 ratio.

Electrification

* Electrification of the railways started gradually during the 1920s. In

Prague Prague ( ; cs, Praha ; german: Prag, ; la, Praga) is the capital and largest city in the Czech Republic, and the historical capital of Bohemia. On the Vltava river, Prague is home to about 1.3 million people. The city has a temperate ...

the trains used a

direct current Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even ...

system at 1.5 kV. * To power the line from Prague to

Chop Chop, CHOP, Chops, or CHOPS may refer to: Art *Embouchure, in music, a synonym for chops (and later, more broadly, musical skill or ability) *CHOPS, an Asian-American hip hop producer, rapper and member of rap group Mountain Brothers * ''Chops'' ...

(Чоп, Čop,

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State), a

system using 3 kV was built after 1945. * To the north of this line, trains use

with voltage 3 kV, to the south they use

alternating current Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC) which flows only in one direction. Alternating current is the form in whic ...

with voltage 25 kV at 50 Hz. These two systems continue today.

Notes

{{Authority control 1918 establishments in Czechoslovakia 1992 disestablishments in Czechoslovakia Defunct railway companies Railway companies of Czechoslovakia Railway companies established in 1918 Railway companies disestablished in 1992 Defunct companies of Czechoslovakia