This weekend, Savoie anticipates a monumental traffic challenge with hundreds of thousands of vehicles converging on its mountain resorts during a major holiday travel exchange. Approximately 222,000 cars are expected in the Tarentaise and Maurienne valleys alone, navigating routes threatened by recent heavy snowfall and the increased risk of avalanches. Several roads have already been impacted by snow slides this week, including the route to Bonneval-sur-Arc, highlighting the significant efforts required by road managers to ensure the safety of these mountain passages amidst potentially hazardous weather conditions.