they are not all the same and not all government, nor are they all "new"
[ul]
[li]public - for public use, may be partially or totally funded by a government agency[/li]
[li]capital - any large project, private or public[/li]
[li]infrastructure - basic physical and organizational structures and facilities (e.g., buildings, roads, pipelines, power supplies) needed for the operation of a society, public or private enterprise[/li]
[li]municipal projects - relating to a city or town or its governing body[/li]
[/ul]