Explore details about location Cruce Ruta H-30 (km. 37,09) - Coltauco. Cruce Ruta H-30 (km. 37,09) - Coltauco is a location situated within the Coltauco alongside other areas such as Cruce Longitudinal (Rancagua) - Doñihue - Cruce Ruta 66 (Peumo), Lo de Cuevas, Parral - Monte Grande.