The "Ronda Este" of Aranda de Duero mean for the regional road traffic BU-925 (Aranda-Huerta del Rey) and BU-910 (Aranda-Caleruega), an alternative to passing through the center of Aranda del Duero. In addition, the work has a second objective, to promote road safety and the protection of motorcyclists through a bike lane and a pedestrian lane that accompanies this new route of 3.5 kilometers.