South Western Highway in Diamond Tree

South Western Highway in Shire Of Manjimup is an asphalted, unlit expressway (110 km/h). The road has no sidewalks as well as cycle paths. It runs in a southeast-northwest direction and crosses Martin Court, Springall Road, Franklin Street, Dawn Road, Seven Day Road, Channybearup Road, Eastbourne Road, Middlesex Road, Parke Road, Lefroy Road, Styles Road and Rooneys Road. It ends in a cul-de-sac and connects Manjimup, Walpole, North Walpole, Shannon, Jardee and Lake Muir. This road is part of the long-distance road "1". South Western Highway also exists in Palgarup and Balbarrup.