Con il calar delle tenebre a Losanna dovrebbe diminuire anche il limite di velocità sulle strade principali. Una misura, come sottolinea la municipale socialista Florence Germond, che permette di aumentare la qualità di vita degli abitanti e di diminuire drasticamente il rischio di incidenti gravi. Questa misura non solo è efficace, ma è anche poco costosa. Non sono necessari tripli vetri e tantomeno paratie antirumore.
I piani della città di Losanna sono al momento ostacolati da un ricorso al Tribunale cantonale. Ma l’Esecutivo è fiducioso e conta di poter di introdurre la limitazione della velocità per l’inizio del 2021. In una fase successiva si vorrebbe estendere la Zona 30 gradualmente a tutti i quartieri e per tutta la giornata.
Altre città mostrano interesse per questo tipo di soluzioni. Friburgo ha in cantiere un progetto per l’introduzione della Zona 30 nel centro sia di giorno che di notte.
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