Other mountain roads between these cities are difficult during winter because of snow and wind. Therefore, a new route, one that would be reliable in bad weather, was greatly needed.
Nende linnade vahelistel mägiteedel on talvel lume ja tuule tõttu raske liigelda, seepärast oli suur vajadus uue tee järele, millel oleks ohutu sõita ka halva ilma korral.