United States Numbered Highways in Oklahoma are part of a nationwide network of roadways passing through the 48 contiguous states. These

U.S. Highway The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...

s are the second-highest category of road classifications in the Oklahoma road system, just below the

Interstate Highways The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...

. U.S. Highways are marked with a number contained inside a white shield in a black box. The number is generally even if the highway runs east–west, and generally odd if it runs north–south, though there are many substantial deviations from this plan. __TOC__

Mainline highways

Special routes

References

External links

OKHighways
by Eric Stuve {{DEFAULTSORT:List of U.S. Highways in Oklahoma

U.S. Highways The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...