A route numbering system has been established within Western Australia to simplify navigation for drivers in both urban and country areas and to aid tourists in search of particular scenic routes.
This comprehensive state route system consists of both Metropolitan and inter-regional routes. The existing National system has been upgraded, and existing National Highways connecting Perth with the Eastern States now have their own route marker to distinguish them from National scenic or historic interest routes.
Each route type has a unique number and is identified by distinctive markers placed on existing direction signs or on steel posts strategically placed along the route as a guide to motorists.
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