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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 ...
I-40 near Oklahoma City: I-44 in Luther: 2024 [4] current Redesignation of Kickapoo Turnpike; will be extended to I-35 in the future I-344: 31.0: 49.9 I-240 in Oklahoma City: I-35/I-44 near Oklahoma City 2024 [4] current Redesignation of John Kilpatrick Turnpike: I-440 — — in Oklahoma City: I-35 in Oklahoma City — c. 1965
The highway system of the United States is a network of interconnected state, U.S., and Interstate highways. Each of the fifty states, the District of Columbia, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands, and the U.S. Virgin Islands own and maintain a part of this vast system, including U.S. and Interstate highways, which are not owned or maintained at the federal level.
Interstate Highways financed with federal funds are known as "chargeable" Interstate routes, and are considered part of the 42,000-mile (68,000 km) network of highways. Federal laws also allow "non-chargeable" Interstate routes, highways funded similarly to state and US Highways to be signed as Interstates, if they both meet the Interstate ...
The Interstate Highway System is partly funded by the federal government but owned and maintained by individual state governments. There are a few private highways in the United States , which use tolls to pay for construction and maintenance.
In 1918, Wisconsin became the first state to number its highways in the field followed by Michigan the following year. [1] In 1926 the American Association of State Highway Officials (AASHO) established and numbered interstate routes (United States Numbered Highways), selecting the best roads in each state that could be connected to provide a national network of federal highways.
The Federal Aid Road Act of 1916 was the first law to fund federal highways, and several Federal-Aid Highway Acts were passed through the 20th century to build on this law. [ 10 ] [ 11 ] The Federal-Aid Highway Act of 1944 authorized the construction of interstate highways , and the federal government set standards with input from state ...
A map of the Strategic Highway Network, one component of the NHS Map of average freight truck traffic on the NHS in 2015. According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than ...