"Si circola a rilento sulla A13 tra Maienfeld e Landquart, a causa delle cattive condizioni del manto stradale dovute al calore intenso": è quanto si legge in un comunicato emanato alle 18.40 da Viasuisse, che raccomandava prudenza agli automobilisti in transito fra Sargans e Coira.
Quanto accaduto all'asfalto in autostrada nei Grigioni non è un caso unico, in questi giorni di canicola: un tratto di binari tra Duggingen e Grellingen, nel cantone di Basilea Campagna, si è deformato mercoledì, quando la colonnina di mercurio ha toccato i 35 grandi (ma la temperatura vicino ai binari poteva arrivare a 65). Ha dovuto essere sostituito e per motivi di sicurezza il traffico è stato nel frattempo interrotto.
pon/ATS
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