The project aimed at solving the imminent critical issues on the stretch of the road, characterized by high tortuous track, poor visibility, reduced roadway, absence of parking spaces and exposed to hydro geological and avalanche risk. To this end, it is planned to build a natural tunnel with a length of about 800 m. The road platform has geometry classifiable as C2, secondary suburban road. The road route is verified for project speed of 80 km/h. In the development of the project, particular attention was given to the mountain context in which the work is inserted, finding solutions that were compatible from a landscape and environmental point of view.
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