Portal:U.S. roads
The U.S. Roads Portal
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 have the highest speed limits and the highest traffic numbers. Interstates are numbered in a grid: even-numbered routes for east–west routes (with the lowest numbers along Mexico and the Gulf of Mexico), and odd-numbered routes are north–south routes (with the lowest numbers along the Pacific Ocean). Three-digit Interstates are, generally, either beltways or spurs of their parent Interstates (for example, Interstate 510 is a spur into the city of New Orleans, Louisiana, and is connected to Interstate 10).
U.S. Numbered Highways are the original interstate highways, dating back to 1926. U.S. Highways are also numbered in a grid: even numbered for east–west routes (with the lowest numbers along Canada) and odd numbered for north–south routes (with the lowest numbers along the Atlantic Ocean). Three-digit highways, also known as "child routes," are branches off their main one- or two-digit "parents" (for example, U.S. Route 202 is a branch of U.S. Route 2). However, US 101, rather than a "child" of US 1, is considered a "mainline" U.S. Route.
State highways are the next level in the hierarchy. Each state and territory has its own system for numbering highways, some more systematic than others. Each state also has its own design for its highway markers; the number in a circle is the default sign, but many choose a different design connected to the state, such as an outline of the state with the number inside. Many states also operate a system of county highways.
Scenic byways can be designated over any classification of road in the United States. There are the National Scenic Byways, National Forest Scenic Byways and Bureau of Land Management Back Country Byways at the national level. Most states have their own system for designating byways, some more systematic than others. Native American tribes may designate byways as well.
Topics
Subcategories
WikiProjects
- Interstate Highways
- U.S. Routes
- Auto trails
- US 66
- and task forces for each state...
Related portals
U.S. Roads news
- October 1:The Bella Vista Bypass is opened to traffic, making Interstate 49 complete from Kansas City, Missouri to Fort Smith, Arkansas.[1]
- April 6: Work begins on covering the abandoned section of Pennsylvania Route 61 in Centralia, known as "Graffiti Highway", with dirt in order to block public access.[2][3]
- October 3: Nevada Department of Transportation begins renumbering the exits along Interstate 580, which originally reflected mileage along concurrent U.S. Route 395, to reflect mileage along the Interstate designation.[4]
- June 1: The first portion of the I-77 Express HOT lanes along Interstate 77 in North Carolina opened between Hambright Road in Huntersville and NC 150 in Mooresville.[5]
- February 4: A new highway tunnel opens in downtown Seattle to carry a section of Washington State Route 99, replacing the recently-closed Alaskan Way Viaduct. It cost $3.3 billion to construct and took over five years due to delays with its tunnel boring machine, Bertha.[6]
- January 10: The U.S. Route 301 toll road in Delaware between the Maryland border southwest of Middletown and Delaware Route 1 in Biddles Corner opens to traffic. The toll road is the first in Delaware to use all-electronic tolling, with tolls paid by E-ZPass or toll-by-plate.[7]
- November 21: The U.S. Route 219 freeway between Meyersdale and Somerset in Somerset County, Pennsylvania opens to traffic.[8]
- November 7: The section of Texas State Highway Loop 49 bypassing Lindale from Interstate 20 north to U.S. Route 69 opens to traffic.[9]
- October 13: A groundbreaking ceremony is held for the realignment of U.S. Route 219 between Interstate 68 and Old Salisbury Road in Garrett County, Maryland, with Governor Larry Hogan in attendance.[10]
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See also Wikipedia:WikiProject U.S. Roads/to do, Category:U.S. road articles needing attention and individual state highway project to-do lists.
References and notes
- ^ "I-49 Missouri-Arkansas Connector Project completed after more than 40 years". Retrieved January 4, 2022.
- ^ Strawser, Justin (April 6, 2020). "Graffiti Highway to be closed by owners". The Daily Item. Retrieved April 6, 2020.
- ^ Reed, J. (April 6, 2020). "Work Begins on Centralia's Graffiti Highway; State Police Enforce". Skook News. Retrieved April 6, 2020.
- ^ Munsun, Jeff (October 3, 2019). "Exit numbers to change on Carson City Freeway beginning this weekend". Carson Now. Retrieved October 3, 2019.
- ^ Marusak, Joe (May 31, 2019). "First part of I-77 toll lanes finally opened Saturday. Here's what you need to know". The Charlotte Observer. Retrieved June 1, 2019.
- ^ Lindblom, Mike (February 4, 2019). "New tunnel? No problem? It was an easy, light-traffic day Monday on Highway 99". The Seattle Times. Retrieved February 6, 2019.
- ^ Smith, Jerry (January 10, 2019). "U.S. 301 Mainline toll road opens Thursday to cheers and jeers". The News Journal. Wilmington, DE. Retrieved January 10, 2019.
- ^ "Route 219 extension opens". The Tribune-Democrat. Johnstown, PA. November 21, 2018. Retrieved November 22, 2018.
- ^ Campbell, LouAnna (November 7, 2018). "Lindale relief route open, Toll 49 extended from I-20 to US Highway 69, north of Lindale". Tyler Morning Telegraph. Retrieved January 31, 2019.
- ^ "Hogan Administration Announces Long-Awaited US 219 Realignment Construction Project in Garrett County" (Press release). Maryland State Highway Administration. October 13, 2018. Retrieved October 13, 2018.
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