ระบบแจ้งเตือนหินร่วง (HELLOMAC)

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The Rochaille pass, on the RD 900, which links France and Italy via the Ubaye valley in the Alpes-de-Haute-Provence, is one of the most sensitive roads in terms of safety. It is a major link between France and Italy via the Col de Larche. The danger of rockfalls that could cut the road is well known, and has already led to the complete isolation of certain communes a few years ago, as well as the closure of this access to Italy. As well as ensuring the safety of people and property, this situation has a definite economic impact on access to ski resorts, the organisation of major media events and the flow of lorries to Italy. It has become essential to make this road safer.

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