Standards
Most of the above high speed lines are assumed to be 25 kV AC (except for Germany, Austria, Switzerland, Sweden and Norway which use 15 kV, and old Italian, part of Belgian and part of Russian high speed lines which use 3 kV), a majority left-hand running (except in Germany, Spain, Russia, and Shanghai Maglev Train.), almost all use conventional tracks and generally use standard gauge (except in Finland, Russia etc.) on their high speed lines, even where the national gauge is different. This will enhance interoperability should high speed lines in different countries meet. There are many different train protection systems in use. In Europe, however they will be replaced by the ERTMS/ETCS system in most countries (using standard gauge) before 2020, which will further enhance interoperability.
Read more about this topic: Planned High-speed Rail By Country
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—Andrea Dworkin (b. 1946)
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—Henry David Thoreau (1817–1862)
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—Franklin D. Roosevelt (1882–1945)