Riddoch Highway in Allendale East

Riddoch Highway in The District Council of Grant is a two-lane, asphalted main road (80 km/h). It runs in a north-south direction and crosses Wallace Road, Boggy Lane, Lithgows Road, Lower Nelson Road West, Dingley Dell Road, Jones Road and Elizabeth Street and ends at Standish Street, while the other end is a cul-de-sac. It connects Allendale East and Port MacDonnell. This road is part of the long-distance road "B66". Riddoch Highway also exists in Wandilo, Dismal Swamp, Tarpeena, OB Flat and Moorak.