Will they have to close the line, or will they do it at night in segments? This TGV is multi-voltage, right?
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The line will remain closed until August 24th (as I've seen tonight they have already removed some of the overhead wires). Some TGV from Geneva to Paris and vice-versa are diverted over Vallorbe; the remaining trains are replaced by buses. TGV trainsets are indeed multi-voltage; it is not the case, although they are also equipped with a small Diesel engine, for the Bem 550 trainsets (see photo ID 431922); RABe 524 trainsets borrowed from Ticino rapid transit are dual-voltage but only 15 kV AC/3 kV DC (which allowed to use them also with 1,5 KV DC).
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