High Quality Content by WIKIPEDIA articles! The Cobb Highway is a State highway in western New South Wales, Australia. From north to south the Cobb Highway begins at its junction with the Barrier Highway near Wilcannia and runs south through the townships of Ivanhoe, Booligal, Hay and Deniliquin. It ends at Moama where the highway crosses the New South Wales/Victoria border at the Murray River and continues south through Victoria as the Northern Highway.