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The Italian railway system is one of the most important parts of the infrastructure of Italy, with a total length〔Total length of tracks: double tracks are counted twice.〕 of of which active lines are 16,723 km.〔 The network has recently grown with the construction of the new high-speed rail network. Italy is a member of the International Union of Railways (UIC). The UIC Country Code for Italy is 83. ==The network== ''RFI'' (''Rete Ferroviaria Italiana'', Italian Rail Network), a state owned company, administers most of the Italian rail infrastructure. The total length of ''RFI'' active lines is ,〔 of which are double tracks.〔 Lines are divided into 3 categories: *''fundamental lines'' (''fondamentali''), which have high traffic and good infrastructure quality, comprise all the main lines between major cities throughout the country. Fundamental lines are long; *''complementary lines'' (''complementari''), which have less traffic and are responsible for connecting medium or small regional centers. Most of these lines are single track and some are not electrified; *''node lines'' (''di nodo''), which link complementary and fundamental lines near metropolitan areas for a total .〔 Most of the Italian network is electrified (). Electric system is 3kV DC on conventional lines and 25 kV AC on high-speed lines.〔(【引用サイトリンク】url=http://www.rfi.it/cms/v/index.jsp?vgnextoid=781701f79697b110VgnVCM1000003f16f90aRCRD )〕 The Italian rail network comprises also other minor regional lines controlled by other companies for a total of 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rail transport in Italy」の詳細全文を読む スポンサード リンク
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