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Numbered Highways In The United States




  • The Interstate Highway System is a federally-funded and administered system of Freeway s that forms the transportation backbone of the U.S., with millions of Americans relying on it for commutes and freight transport daily. Interstate highways are all constructed to Precise Standards , designed to maximize high-speed travel safety and efficiency. Interstate Highways also contain auxiliary routes, which are normally assigned a three-digit route number. All Interstate Highways are part of the National Highway System , a network of highways deemed essential to the defence, economy, and mobility of the country.


  • The U.S. Highway System is an older system. U.S. Routes were the first federally-administered highways, spanning coast to coast and border to border. Because of the prominence of the Interstate System, many U.S. Routes have been downgraded to state-managed routes over the years, most famous being the decommissioning of the well-known U.S. Route 66 .


  • Each ''). State highways are of varying standards and quality. Some state highways become so heavily traveled they are built to Interstate standards; others are so lightly traveled they are roads of minimal quality.


  • The final administrative level is the County -maintained County Highway . County routes vary widely from well-travelled Expressways to dirt access roads into remote parts of the county.


Highways are generally organized by a Route Number or letter. These designations are generally displayed along the route by means of a Highway Shield ; each system has its own unique shield design that will allow quick identification to which system the route belongs to. Below is a list of the different highway shields used throughout the U.S.


SHIELD LIST



Interstate Highways

Interstate Highway
''Shown: Interstate 95 ''

Interstate Highway , state-name variant
''Shown: Interstate 80 in Indiana


U.S. Routes

U.S. Route
''Shown: U.S. Route 30 ''

U.S. Route , California variant
''Shown: U.S. Route 50 In California

Historic U.S. Route , California variant
''Shown: Historic U.S. Route 99 in California ''


State highways and other similar systems

Generic County Route
''Shown: County Route 64 in Baldwin County, Alabama ''

State Routes in Alabama
''Shown: State Route 21 ''

Alaska Routes
''Shown: Alaska Route 5 ''

State Route in Arizona
''Shown: State Route 48 ''

State Route in California
''Shown: State Route 2

State Highways in Colorado
''Shown: State Highway 62

Routes in Connecticut
''Shown: Route 16 ''

State Routes in Delaware
''Shown: State Route 1 ''

District Of Columbia Routes
''Shown: District Of Columbia Route 295 ''

State Roads in Florida
''Shown: State Road 13 ''

State Roads in Florida, free
''Shown: State Road 874 ''

State Roads in Florida, tolled
''Shown: State Road 869 ''

''' State Route in Georgia
''Shown: State Route 3 ''



Route in Hawaii
''Shown: Route 66 ''

State Highway in Idaho
''Shown: State Highway 41 ''

Illinois Route
''Shown: Illinois Route 19 ''

State Roads in Indiana
''Shown: State Road 3 ''









Route in Maine
''Shown: State Route 16 (Maine) ''

Maryland State Highway
''Shown: Maryland Route 2 ''

Route in Massachusetts
''Shown: Route 24 ''

Highway in Minnesota
''Shown: Highway 29 ''

Highway in Mississippi
''Shown: Highway 1 ''

Route in Missouri
''Shown: Route 43 ''

Route in Missouri , supplemental variant
''Shown: Route K''

Montana Highway
''Shown: Montana Highway 80 ''

State Highway in Nebraska
''Shown: Nebraska State Highway 2 ''

State Route in Nevada
''Shown: State Route 28 ''

New Hampshire Route
''Shown: New Hampshire Route 4 ''

Route in New Jersey
''Shown: Route 33 ''



Route in New York
''Shown: Route 25

State Highway in North Carolina
''Shown: North Carolina State Highway 130 ''



State Route in Ohio
''Shown: State Route 2 ''

State Highway in Oklahoma , new shield
''Shown: State Highway 1 '''

State Highway in Oklahoma , old shield
''Shown: State Highway 1 '''

Route in Oregon
''Shown: Route 99 ''





Route in Rhode Island
''Shown: Route 3 ''

State Highway in South Carolina
''Shown: South Carolina State Highway 64 ''

State Highway in South Dakota
''Shown: State Highway 240 '''

State Route in Tennessee
''Shown: State Route 385 '''

State Highway in Texas
''Shown: State Highway 6 ''

State Highway in Texas, tolled
''Shown: State Highway 121 ''

Farm To Market Road in Texas
''Shown: Farm To Market Road 1093 ''



State Route in Utah
''Shown: State Route 12 ''

Vermont Route
''Shown: Vermont Route 10 ''

Vermont Route , "state numbered town highway" variant
''Shown: Locally maintained Vermont Route 1''

Virginia State Highway
''Shown: Virginia State Highway 7 ''

Virginia State Highway , secondary or frontage state highway
''Shown: Secondary Highway 620 '''

State Route in Washington
''Shown: State Route 202 ''







  • means that the official name is unconfirmed.



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