The community of commune of the Balcons du Dauphiné has as its project the realisation of a 25 km section of the route ViaRhôna of the commune of Vertrieu (bridge of lagnieu) to the municipality of St Romain de JALIONNAS (Pont de Loyette). Added to the 37 km existing in the eastern part of the territory of the Community of communes of the Balcons du Dauphiné, these 25 kilometers will complete the final route on the western part of the territory