L'ondata di caldo ha provocato sabato disagi al traffico sull'A1 tra Rheineck e St. Margrethen (SG): a causa delle temperature elevate il rivestimento autostradale si è deformato, rialzandosi. La circolazione è stata deviata sulla corsia d'emergenza, provocando code di diversi chilometri.
Il fenomeno, denominato "blow-up", si è verificato anche in altre regioni svizzere, come sull'A13, nel tratto tra Landquart e Maienfeld.
La polizia sangallese ha comunicato che i lavori di riparazione e di sostituzione dell'asfalto sono iniziati immediatamente e proseguiranno nella notte.
ATS/CaL
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