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Una massa d'acqua imprevista e i tubi di raccolta si rompono: l'Ufficio federale delle strade ha chiarito la causa della chiusura della corsia di destra nella galleria autostradale del San Salvatore, che venerdì mattina ha causato il blocco del traffico sulla A2 in direzione nord.
Un nuovo foro di drenaggio era stato fatto nelle scorse settimane nell’ambito dei lavori di consolidamento del tunnel dopo il crollo del 2017. Verso le 5.30 una quantità d’acqua inattesa è affluita nei tubi di raccolta provvisori, che non hanno retto.
La riparazione delle condutture ha causato il blocco della corsia di destra fino alle 9.00 circa, ma le ripercussioni sul traffico si sono fatte sentire fino dopo le 10.00.
Il problema del traffico e il nuovo servizio tram
Telegiornale 12.03.2021, 13:30
Il San Salvatore blocca l'A2
Il Quotidiano 12.03.2021, 20:00
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