Infrastructure refers to the basic systems and services that a country or organization needs in order to function properly. For a whole nation, it includes all the physical systems such as the road and railway networks, utilities, sewage, water, telephone lines and cell towers, air control towers, bridges, etc., plus services including law enforcement, emergency services, healthcare, education, etc.
These infrastructure systems, which require large initial investments, are essential for enabling productivity in an economy. Most projects are either completely funded by the government or heavily subsidized.
According to Finances Rule, is a term that engineers, urban and country planners, and policy makers use to describe the essential facilities, services, and organization structures for all cities and communities.