Portal:U.S. Roads

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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, 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. 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.

National Forest Scenic Byway marker

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. Indian tribes may designate byways as well.

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Virginia State Route 253 (SR 253) is a primary state highway in the U.S. state of Virginia. Known as Port Republic Road, the state highway runs 12.18 miles (19.60 km) from U.S. Route 11 (US 11) in Harrisonburg east to US 340 near Port Republic. SR 253 is a northwest–southeast highway that connects Harrisonburg with Cross Keys and Port Republic in southeastern Rockingham County. The state highway also provides access to portions of James Madison University on either side of Interstate 81 (I-81). A small portion of Port Republic Road through Port Republic was included in the state highway system by the late 1920s as part of the highway between Waynesboro and Elkton. This section carried three different route numbers until it was transferred to the secondary system in the early 1940s. Port Republic Road was placed on its modern alignment through Port Republic in the mid-1950s. SR 659, which was assigned to Port Republic Road from Harrisonburg to near Cross Keys, was extended southeast through Port Republic by the mid-1970s. The road was expanded to four lanes within Harrisonburg in the mid-1990s and mid-2000s and along a short stretch south from the city limits in the early 2010s. SR 659 was brought into the primary highway system as SR 253 in 2005.

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U.S. Highway 30 crossing the Mississippi River at Clinton, Iowa.

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Interstate 8 in San Diego near Mission Valley

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Nominations and votes for selected articles and selected pictures are always needed. Anyone can nominate an article, and anyone can vote for an article. You can also recommend items for Did you know?. If you have news related to U.S. roads, you can add it to the news section above.

See also Wikipedia:WikiProject U.S. Roads/to do, Category:U.S. road articles needing attention and individual state highway project to-do lists.

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References and notes

  1. ^ "Speed limit now 80 mph on some Idaho interstates". Boise, ID: KTVB-TV. July 24, 2014. Retrieved July 25, 2014. 
  2. ^ Smith, Katelyn (July 22, 2014). "Speed limit raised to 70 mph on Pa. Turnpike". Lancaster, PA: WGAL-TV. Retrieved July 22, 2014. 
  3. ^ Staff (July 12, 2014). "BOOM! WATCH the demolition of the Innerbelt Bridge". Cleveland, OH: WKYC-TV. Retrieved July 24, 2014. 
  4. ^ Staff (June 27, 2014). "Corning area now has 2 interstates; U.S. 15 designated I-99 to Pa. border". Star-Gazette (Elmira, NY). Retrieved June 28, 2014. 
  5. ^ "I-495 Closed at Bridge Over Christina River". Philadelphia: WCAU-TV. June 2, 2014. Retrieved June 2, 2014. 
  6. ^ "Governor Corbett, Pennsylvania Turnpike, Other Officials Break Ground on First Project Linking Pittsburgh International Airport to I-79". Pennsylvania Turnpike Commission. May 12, 2014. Retrieved May 13, 2014. 
  7. ^ Abdel-Razzaq, Lauren (April 5, 2014). "The Driving Challenge Begins with I-96 Closure". The Detroit News. Retrieved April 6, 2014. 
  8. ^ "14 Dead; 176 Reports of People Missing in Mile-Wide Mudslide". The Seattle Times. March 24, 2014. Retrieved March 27, 2014. 
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