United States Numbered Highways
Overview
Road
A road is a thoroughfare, route, or way on land between two places, which typically has been paved or otherwise improved to allow travel by some conveyance, including a horse, cart, or motor vehicle. Roads consist of one, or sometimes two, roadways each with one or more lanes and also any...
s and highway
Highway
A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...
s in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
numbered within a nationwide grid. As these highways were coordinated among the states, they are infrequently referred to as Federal Highways, but they have always been maintained by state
State governments of the United States
State governments in the United States are those republics formed by citizens in the jurisdiction thereof as provided by the United States Constitution; with the original 13 States forming the first Articles of Confederation, and later the aforementioned Constitution. Within the U.S...
or local governments
Local government in the United States
Local government in the United States is generally structured in accordance with the laws of the various individual states. Typically each state has at least two separate tiers: counties and municipalities. Some states have their counties divided into townships...
since their initial designation in 1926.
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