10 13 2.2.1 Managing Growth 13 2.2.2 Delineated Built-up Areas 15 2.2.3 Urban Growth Centres 16 2.2.4 Transit Corridors and Station Areas 17 2.2.5 Employment 19 2.2.6 Housing 22 2.2.7 Designated Greenfield Areas 23 2.2.8 Settlement Area Boundary Expansions 24 2.2.9 Rural Areas 27 3 Infrastructure to Support Growth 29 3.1 Context 29 3.2 Policies for Infrastructure to Support Growth 31 3.2.1 Integrated Planning 31 3.2.2 Transportation – General 31 3.2.3 Moving People 32 3.2.4 Moving Goods 33 3.2.5 Infrastructure Corridors 34 3.2.6 Water and Wastewater Systems 34 3.2.7 Stormwater Management 36 3.2.8 Public Service Facilities 37 4 Protecting What is Valuable 38 4.1 Context 38 4.2 Policies for Protecting What is Valuable 40 4.2.1 Water Resource Systems 40 4.2.2 Natural Heritage System 40 4.2.3 Key Hydrologic Features,关键的水文区域和关键自然遗产具有42