emes Levees Lighthouses Parks Pipeline transport Ports Mass transit Public housing State schools Public spaces Rail Roads Sewage treatment Sewerage Sluices Solid waste Telecommunication Utilities Water supply Weirsසංකල්ප Asset management Appropriation Lindahl tax Build–operate–transfer Design–bid–build Design–build Earmark Fixed cost Engineering contracts Externality Government debt Life-cycle assessment Maintenance Monopoly Property tax Public–private partnership Public capital Public finance Public good Public sector Renovation Replacement (upgrade) Spillover Supply chain Taxationගැටළු සහ අදහස් Air traffic control Brownfield Carbon footprint Containerization Congestion pricing Ecotax Ethanol fuel Fuel tax Groundwater High-speed rail Hybrid vehicles Land-use planning Mobile data terminal Pork barrel Rapid bus transit Recycling Renewables Reverse osmosis Smart grid Smart growth Stormwater Urban sprawl Traffic 