Public infrastructure

Public infrastructure is infrastructure owned or available for use by the public (represented by the government). It is distinguishable from generic or private infrastructure in terms of policy, financing, purpose, etc.

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
 * Infrastructure
 * Infrastructure-based development