ProjectProponent: State Planning CommissionMain Roads DepartmentShire of MundaringShire of SwanProposal description: A proposal for a major road system in the eastern corridor of the Perth metropolitan region has been put forward by the joint proponents, the State Planning Commission, Main Roads Department, Shire of Mundaring and Shire of Swan. The proposal is for an upgrading of the Great Eastern Highway, the development of a Hills Spine Road by extending Cameron road and a new route referred to as the Orange Route in combination with upgrading of Toodyay road. Region: PerthReferred under EP Act: s38Industry sector: InfrastructureLast updated: March 1, 1989 4. EPA Report on assessmentEPA Report Number: 380EPA Report: EPA Report 380 (PDF, 2.98 MB)Date published: Wednesday, 1 March, 1989