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U.S. state highways

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The following are systems of state highways maintained and numbered by each U.S. state, territory or district. The naming conventions listed below may be supplemented by guidelines of individual state highway WikiProjects (please see WP:USRD for a list).

State/Territory/District Official name Article title Further disambiguation[note 1]
Alabama State Route X Alabama State Route X Add to the existing title: (Y County) or (Y–Z counties)
Alaska Alaska Route X Alaska Route X[note 2] Add to the existing title: (Y Borough) or (Y–Z boroughs)
American Samoa American Samoa Highway X American Samoa Highway X Not applicable
Arizona State Route X Arizona State Route X Add to the existing title: (Y County) or (Y–Z counties)
Arkansas Highway X Arkansas Highway X
California State Route X California State Route X
Colorado State Highway X Colorado State Highway X
Connecticut Route X Connecticut Route X
Delaware Delaware Route X Delaware Route X
District of Columbia District of Columbia Route X District of Columbia Route X Not applicable
Florida State Road X Florida State Road X Add to the existing title: (Y County) or (Y–Z counties)
Georgia State Route X Georgia State Route X
Guam Guam Highway X Guam Highway X Not applicable
Hawaii Route X Hawaii Route X Add to the existing title: (Y County) or (Y–Z counties)
Idaho State Highway X Idaho State Highway X
Illinois Illinois Route X Illinois Route X
Indiana State Road X Indiana State Road X
Iowa Iowa Highway X Iowa Highway X
Kansas K-X K-X (Kansas highway) K-X (Y County)
K-X (Y–Z counties)
Kentucky Kentucky Route X Kentucky Route X Add to the existing title: (Y County) or (Y–Z counties)
Louisiana Louisiana Highway X Louisiana Highway X Add to the existing title: (Y Parish) or (Y–Z parishes)
Maine State Route X Maine State Route X Add to the existing title: (Y County) or (Y–Z counties)
Maryland Maryland Route X Maryland Route X
Massachusetts Route X Massachusetts Route X
Michigan M-X M-X (Michigan highway) M-X (Y County)
M-X (Y–Z counties)
Minnesota Minnesota State Highway X Minnesota State Highway X Add to the existing title: (Y County) or (Y–Z counties)
Mississippi Mississippi Highway X Mississippi Highway X
Missouri Route X Missouri Route X
Montana Montana Highway X Montana Highway X
Nebraska Nebraska Highway X Nebraska Highway X
Nevada State Route X Nevada State Route X
New Hampshire New Hampshire Route X New Hampshire Route X
New Jersey Route X New Jersey Route X
New Mexico State Road X New Mexico State Road X
New York New York State Route X New York State Route X
North Carolina NC X North Carolina Highway X
North Dakota North Dakota Highway X North Dakota Highway X
Northern Mariana Islands Northern Mariana Islands Highway X Northern Mariana Islands Highway X Not applicable
Ohio State Route X Ohio State Route X Add to the existing title: (Y County) or (Y–Z counties)
Oklahoma State Highway X Oklahoma State Highway X
Oregon Oregon Route X Oregon Route X
Pennsylvania Pennsylvania Route X Pennsylvania Route X
Pennsylvania Quadrant State Route XXXX State Route XXXX (Y County, Pennsylvania) Not applicable
Puerto Rico PR-X Puerto Rico Highway X
Rhode Island Route X Rhode Island Route X Add to the existing title: (Y County) or (Y–Z counties)
South Carolina South Carolina Highway X South Carolina Highway X
South Dakota Highway X South Dakota Highway X
Tennessee State Route X Tennessee State Route X
Texas State Highway X Texas State Highway X
Utah State Route X Utah State Route X
U.S. Virgin Islands U.S. Virgin Islands Highway X U.S. Virgin Islands Highway X Not applicable
Vermont Vermont Route X Vermont Route X Add to the existing title: (Y County) or (Y–Z counties)
Virginia State Route X Virginia State Route X
Washington State Route X Washington State Route X
West Virginia West Virginia Route X West Virginia Route X
Wisconsin Highway X Wisconsin Highway X
Wyoming Wyoming Highway X Wyoming Highway X

The official name is to be used when writing about the road in an article; only use the article title in another article if the sentence would otherwise be ambiguous. Never use a colloquial title other than those listed above, unless you are mentioning that it exists in the article.

Official nicknames for highways (i.e. Golden State Freeway, Tri-State Tollway, New Jersey Turnpike) may be used if the DOT uses it. However, colloquial names such as The Loneliest Road in America should not be used.

Footnotes

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  1. ^ This column should be referred to in the rare case of the same route number repeated on separate segments in the same state. Only endpoint locations should be used. The names of subdivision(s) smaller than a county, borough, or parish may be used if they are well-known or significantly shorter than the county/borough/parish name(s) would be. This should be determined by consensus.
  2. ^ Named highways are at <name of road> Highway.

Interstate and U.S. Routes

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The following are systems of national highways maintained by the states which have their numbering assignments made by the American Association of State Highway and Transportation Officials (AASHTO).

System Subtype Official name Article title
Interstate Highway System Primary Interstate X Interstate X
Interstate X (State)[note 1]
Primary, state-detail Interstate X Interstate X in State
Auxiliary Interstate X Interstate X
Interstate X (State)
[note 2]
Business loops Interstate X Business Loop,
Business Loop Interstate X
Interstate X Business (City, State)
Business spurs Interstate X Business Spur
Business Spur Interstate X
United States Numbered Highways Primary U.S. Route X[note 3] U.S. Route X
Primary, state-detail U.S. Route X U.S. Route X in State
Alternate routes U.S. Route X Alternate,
Alternate U.S. Route X
U.S. Route X Alternate (Location)
Business routes U.S. Route X Business,
Business U.S. Route X
U.S. Route X Business (Location)
Bypass routes U.S. Route X Bypass,
Bypass U.S. Route X
U.S. Route X Bypass (Location)
Scenic routes U.S. Route X Scenic,
Scenic U.S. Route X
U.S. Route X Scenic (Location)
Spur routes U.S. Route X Spur,
Spur U.S. Route X
U.S. Route X Spur (Location)
Truck routes U.S. Route X Truck,
Truck U.S. Route X
U.S. Route X Truck (Location)

Footnotes

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  1. ^ The state name must be added where the route number is repeated in multiple locations. If the segments cover multiple states, use only the terminal state names separated by an en dash (). In these cases, "Interstate X" should be used as a disambiguation page.
  2. ^ The state name must be added where the route number is repeated in multiple locations. If the segments cover multiple states, use only the terminal state names separated by an en dash (). If the highway is a loop or beltway that passes through more than two states, either all state names, a metro area name, or an alternative name for the road may be used. In all cases of such repetition, "Interstate X" should be used as a disambiguation page.
  3. ^ The official AASHTO route logs and documents refer to these highways as "U.S. Route X". However, the term "U.S. Highway X" is used by many states DOTs, and may be used in article prose where this nomenclature is prevalent.