List of U.S. Highways in Oklahoma

	Highway markers for US-64 and US-412
System information
Formed	National system formed November 11, 1926, by BPR; Designations applied in Oklahoma December 7, 1926
Highway names
US Highways	U.S. Highway X (US-X)
System links
	Oklahoma State Highway System; Interstate; US; State; Turnpikes;

United States Numbered Highways in Oklahoma are part of a nationwide network of roadways passing through the 48 contiguous states. These U.S. Highways are the second-highest category of road classifications in the Oklahoma road system, just below the Interstate Highways. 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.

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