Public infrastructure is infrastructure that is owned by the public or is for public use. It is generally distinguishable from private or generic infrastructure in terms of policy, financing, purpose.
Public infrastructure is a general term often qualified specifically as:
Transport infrastructure - vehicles, road, rail, cable and financing of transport
Aviation infrastructure - air traffic control technology in aviation
Rail transport - trackage, signals, electrification of rails
Road transport - roads, bridges, tunnels
Critical infrastructure - assets required to sustain human life
Energy infrastructure - transmission and storage of fossil fuels and renewable sources
Hazardous waste - characteristics, disposal, handling of hazardous waste
Information and communication infrastructure - systems of information storage and distribution
Public capital - government-owned assets
Public works - municipal infrastructure, maintenance functions and agencies
Solid waste - generation, collection, management of trash/garbage
Sustainable urban infrastructure - technology, architecture, policy for sustainable living
Water infrastructure - the distribution and maintenance of water supply
Wastewater infrastructure - disposal and treatment of wastewater
