Portal:U.S. roads

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The U.S. Roads Portal

The highway system of the United Statesis a network of interconnected state, U.S., and Interstate highways. Each of thefifty states,theDistrict of Columbia,Puerto Rico,American Samoa,Guam,theNorthern Mariana Islands,and theU.S. Virgin Islandsown and maintain a part of this vast system, including U.S. and Interstate highways, which are not owned or maintained at the federal level.

I-10 shield

I-510 shield

Interstate Highwayshave 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 alongMexicoand theGulf of Mexico), and odd-numbered routes are north–south routes (with the lowest numbers along thePacific Ocean). Three-digit Interstates are, generally, either beltways or spurs of their parent Interstates (for example,Interstate 510is a spur into the city ofNew Orleans, Louisiana,and is connected toInterstate 10).

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US 2 shield

US 202 shield

U.S. Numbered Highwaysare 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 alongCanada) and odd numbered for north–south routes (with the lowest numbers along theAtlantic Ocean). Three-digit highways, also known as "child routes," are branches off their main one- or two-digit "parents" (for example,U.S. Route 202is a branch ofU.S. Route 2). However,US 101,rather than a "child" ofUS 1,is considered a "mainline" U.S. Route.

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Generic state highway 50 marker

Marker for Highway 001 in American Samoa

State highwaysare 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 ofcounty highways.

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National Scenic Byway marker

Scenic bywayscan be designated over any classification of road in the United States. There are theNational Scenic Byways,National Forest Scenic BywaysandBureau of Land Management Back Country Bywaysat 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.

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Featured articles -

Featured articlesare displayed here, which represent some of the best content on English Wikipedia.

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  Interstate 82(I-82) is anInterstate Highwayin thePacific Northwestregion of the United States that travels through parts ofWashingtonandOregon.It runs 144 miles (232 km) from its northwestern terminus atI-90inEllensburg, Washington,to its southeastern terminus atI-84inHermiston, Oregon.The highway passes throughYakimaand theTri-Cities,and is also part of the link betweenSeattleandSalt Lake City, Utah.I-82 travelsconcurrentlywithU.S. Route 97(US 97) between Ellensburg andUnion Gap;US 12from Yakima to the Tri-Cities; andUS 395fromKennewicktoUmatilla, Oregon.
  
  I-82 primarily serves theYakima Valleyagricultural region, following theYakimaandColumbiarivers southeastward to the Tri-Cities. The highway enters the valley from the north by crossing theManastash Ridge,which separates Yakima from theKittitas Valley.I-82 bypasses the Tri-Cities by traveling southwest aroundRichlandand Kennewick and then turns south to cross the Columbia River on theUmatilla Bridge.Its onlyauxiliary route,I-182,connects the highway to Richland andPascoin the Tri-Cities. (Full article...)
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  Interstate 75(I-75) is a part of theInterstate Highway Systemthat runs north–south fromMiami, Florida,toSault Ste. Mariein theUpper Peninsulaof the US state ofMichigan.I-75 enters the state fromOhioin the south, north ofToledo,and runs generally northward throughDetroit,Flint,andBay City,crosses theMackinac Bridge,and ends at theCanadian borderin Sault Ste. Marie. The freeway runs for approximately 396 miles (637 km) on both of Michigan's major peninsulas. The landscapes traversed by I-75 includeSouthern Michiganfarmland, northern forests, suburban bedroom communities, and the urban core of Detroit. The freeway also uses three of the state's monumental bridges to cross major bodies of water. There are fourauxiliary Interstatesin the state related to I-75, as well as nine current or formerbusiness routes,with either Business Loop I-75 (BL I-75) or Business Spur I-75 (BS I-75) designations.
  
  The freeway bears several names in addition to the I-75 designation. The southern segment was called theDetroit–Toledo Expresswayduring planning in the 1950s and 1960s. Through Detroit, I-75 is theFisher Freewayor theWalter P. Chrysler Freeway,named for pioneers in the auto industry. Sections on either side of the Mackinac Bridge are theG. Mennen Williams Freewayor thePrentiss M. Brown Freeway,named for politicians who helped get the bridge built. Officially, the entire length is theAmerican Legion Memorial Highway,after theorganization of the same name.Various sections carry components of the fourGreat Lakes Circle Toursin the state. (Full article...)
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  State Route 56(SR 56) is an east–weststate highwayin the U.S. state ofCalifornia.It runs 9.210 miles (14.822 km) fromInterstate 5(I-5) in theCarmel Valleyneighborhood ofSan DiegotoI-15.The eastern terminus of the highway is also the western end of the Ted Williams Parkway. SR 56 serves as an important connector between I-5 and I-15, being the only east–west freeway betweenSR 78innorth San Diego County,several miles away, andSR 52nearMarine Corps Air Station Miramar.It is also named theTed Williams Freeway,after the San Diego-bornbaseball player.
  
  SR 56 was added to the state highway system in 1959 as Legislative Route 278, and was renumbered SR 56 in the1964 state highway renumbering.Plans in 1964 were to connect SR 56 to the north end ofSR 125and continue east toSR 67,but these plans did not come to fruition. The eastern end from Black Mountain Road to I-15 was completed in 1993; the western end from I-5 to Carmel Creek Road was completed in 1995 after several lawsuits filed by theSierra Cluband other community groups. The two ends were not connected until the middle portion of the freeway was completed in 2004. The delay was largely due to funding issues and environmental concerns. (Full article...)
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  Interstate 96(I-96) is an east–westInterstate Highwaythat runs for approximately 192 miles (309 km) entirely within theLower Peninsulaof the US state of Michigan. The western terminus is at an interchange withUS Highway 31(US 31) andBusiness US 31(Bus. US 31) on the eastern boundary ofNorton Shoressoutheast ofMuskegon,and the eastern terminus is atI-75near theAmbassador BridgeinDetroit.FromGrand RapidsthroughLansingto Detroit, the freeway parallels Grand River Avenue, never straying more than a few miles from the decommissionedUS 16.TheWayne Countysection of I-96 is named theJeffries Freewayfrom its eastern terminus to the junction withI-275andM-14.Though maps still refer to the freeway as the Jeffries, the portion within the city of Detroit was renamed by the state legislature as theRosa Parks Memorial Highwayin December 2005 in honor of the latecivil rights pioneer.There are fourauxiliary Interstatesas well as two current and four formerbusiness routesassociated with I-96.
  
  Grand River Avenue originated as anIndiantrail before Michigan statehood. It later was used as a wagon road across the state. The roadway was included in theState Trunkline Highway Systemin 1919 as M-16 and later theUnited States Numbered Highway Systemas US 16. Construction of a freeway along the length of the corridor was proposed in the 1940s, and included as part of the Interstate Highway System in the mid-1950s. This construction was started in 1956 and initially completed across the state to Detroit in 1962. The proposed route for the Jeffries Freeway in Detroit was moved in the 1960s; it was built in the 1970s. I-96 was completed on November 21, 1977, in the Detroit area, closing the last gap along the route. Since then, additional interchanges and lanes have been added in places to accommodate traffic needs. (Full article...)
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  U.S. Route 491(US 491) is a north–southU.S. Highwayserving theFour Cornersregion of the United States. It was created in 2003 as a renumbering ofU.S. Route 666(US 666). With the US 666 designation, the road was nicknamed the "Devil's Highway" because of the significance of the number666to manyChristiandenominations as theNumber of the Beast.ThisSatanicconnotation, combined with a high fatality rate along the New Mexico portion, convinced some people the highway was cursed. The problem was compounded by persistentsign theft.These factors led to two efforts to renumber the highway, first by officials inArizona,then by those inNew Mexico.There have been safety improvement projects since the renumbering, and fatality rates have subsequently decreased.
  
  The highway, now a spur route ofUS 91via its connection toUS 191,runs throughNew Mexico,ColoradoandUtah,as well as the tribal nations of theNavajo NationandUte Mountain Ute Tribe.The highway passes by two mountains considered sacred by Native Americans:Ute Mountainand an extinct volcanic core namedShiprock.Other features along the route includeMesa Verde National ParkandDove Creek,Colorado, the self-proclaimed pinto-bean capital of the world. (Full article...)
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  US Highway 141(US 141) is a north–southUnited States Numbered Highwayin the states ofWisconsinandMichigan.The highway runs north-northwesterly from an interchange withInterstate 43(I-43) inBellevue, Wisconsin,nearGreen Bay,to a junction withUS 41/M-28nearCovington, Michigan.In between, it follows city streets in Green Bay and has aconcurrentsection withUS 41 in Wisconsin.North of Green Bay, US 141 is either afreewayor anexpresswayinto rural northern Wisconsin before downgrading to anundivided highway.In Michigan, US 141 is an undivided highway that runs through rural woodlands. The highway has two segments in each state; after running through Wisconsin for about 103 miles (166 km), it crosses into Michigan for approximately another eight miles (13 km). After that, it crosses back into Wisconsin for about14+1⁄2miles (23 km) before crossing the state line one last time. The northernmost Michigan section is about43+1⁄2miles (70 km), making the overall length about 169 miles (272 km).
  
  When the US Highway System was formed on November 11, 1926, US 141 ran fromMilwaukeeto Green Bay, and one segment of the modern highway in Michigan was originally designatedUS Highway 102(US 102). This other designation wasdecommissionedin 1928 when US 141 was extended north from Green Bay into Michigan. Michigan has rebuilt the highway in stages over the years to smooth out sharp curves in the routing. Since the 1960s, the section south of Green Bay has been converted into a freeway in segments. US 141 has ended southeast of Green Bay in Bellevue since the 1980s—the southern freeway segment was redesignated as I-43. The section north ofAbrams, Wisconsin,was converted to a freeway in the opening years of the 21st century, with an additional divided-highway section opening a few years later. (Full article...)
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  U.S. Highway 30(US 30) is a major east–westU.S. Highwaywhich spans 330 miles (530 km) across the state ofIowa.It is the longestprimary highwayin the state and is maintained by theIowa Department of Transportation(Iowa DOT). The route in Iowa begins at the Missouri River crossing atBlair, Nebraska,and ends at the Mississippi River crossing atClinton, Iowa.Along the way, it serves Denison and Carroll in western Iowa,Boone,Ames, andMarshalltownin central Iowa, andTama,Cedar Rapids, andDeWittin eastern Iowa. Cutting across the central portion of the state, US 30 runs within close proximity of theUnion Pacific Railroad'sOverland Routefor its entire length.
  
  US 30 was conceived as a part of theLincoln Highway,the first transcontinental highway in the United States. A route through Iowa was chosen because of the important link betweenOmaha, Nebraska,andChicago, Illinois.As theU.S. Highway Systemcame into being in the 1920s, and the Lincoln Highway became US 30,federal moneystarted to pay for paving Iowa's dirt roads. By 1931, the route had been paved across the entire state. (Full article...)
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  New York State Route 74(NY 74) andVermont Route 74(VT 74) are state highways in the northeastern United States, connected by one of the last remainingcable ferriesin North America. Together they extend for 34 miles (55 km) throughEssex County, New York,andAddison County, Vermont.NY 74 begins at exit 28 offInterstate 87(I-87) inthe hamlet of Severancein theAdirondack Mountainsregion of the northern part ofNew York State.It extends 20.44 miles (32.89 km) to the western shore ofLake ChamplaininTiconderoga.There, the seasonal Fort Ticonderoga–Larrabees Point Ferry carries cars across the state border intoVermont,where VT 74 starts at the lake's eastern shore and terminates 13.26 miles (21.34 km) later at a junction withVT 30in the town ofCornwall.
  
  The ferry connecting the two highways, predating both NY 74 and VT 74, began operation in 1759 on an informal basis. The ferry operation was formalized at the close of the 18th century and upgraded to a cable system in 1946. (Full article...)
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  New York State Route 311(NY 311) is astate highwaylocated entirely withinPutnam County, New York,in the United States. It begins atNY 52in Lake Carmel, and intersectsInterstate 84(I-84) shortly thereafter. It crossesNY 164andNY 292as it heads into the northeastern part of the county, finally curving east to reach its northern terminus atNY 22just south of theDutchess Countyline. The route passes several historical sites.
  
  Part of modern-day Route 311 was originally the Philipstown Turnpike, a road built in 1815 to overcome a lack of transportation when theHudson Riverfroze during the winter months. Theturnpikewas a large business center for the county, though it was abandoned due to insufficient tolls to maintain it. Another section was constructed in the early 1900s, from the PattersonBaptist Churchnear the modern-day intersection of Route 311 andRoute 164to the Village of Patterson, by a group of Italian immigrants. (Full article...)
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  U.S. Highway 34(US 34) is aUnited States Highwaythat runs across the southern third ofIowa.It begins on a bridge over theMissouri Riverwest ofGlenwoodand travels east where it meetsInterstate 29(I-29) andUS 275.Through southwestern Iowa, the highway is, for the most part, a two-lane rural road with at-grade intersections; there are interchanges withUS 59nearEmersonandUS 71nearStantonandVillisca.AtOsceola,the highway intersectsI-35andUS 69.Just east ofOttumwa,where the road meetsUS 63,the roadjoinsthe four-laneIowa 163for the remainder of its trek through the state. AtMount Pleasant,itoverlapsUS 218and Iowa 27, theAvenue of the Saints Highway.From there, the road heads to the southeast where it crosses theMississippi Riveron theGreat River BridgeatBurlington.
  
  US 34 was one of the original U.S. Highways when the system was created in 1926, though it was preceded by theBlue Grass Route,a 310-mile-long (500 km)auto trailthat connectedCouncil Bluffsand Burlington. In 1920, theIowa State Highway Commission(ISHC) assigned route numbers to roads in order to improve wayfinding for travelers. The Blue Grass Route was assignedPrimary Road No. 8in its entirety. Six years later, No. 8 was renamed U.S. Highway 34. In 1930, the highway became the first road to be fully paved across the state. By the 1950s, increased traffic and larger automobiles proved the original pavement inadequate. The highway was straightened and widened to accommodate modern vehicles. (Full article...)
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  View of the route, 1920

  
  
  TheRidge Route,officially theCastaic–Tejon Routeand colloquially known asthe Grapevine,was a two-lane highway betweenLos Angeles CountyandKern County,California. Opened in 1915 and paved withconcretebetween 1917 and 1921, the road was the firstpaved highwaydirectly linking theLos Angeles Basinwith theSan Joaquin Valley(southernCentral Valley) over theTejon Passand the ruggedSierra Pelona Mountainsridge south ofGorman.Much of the old road runs through theAngeles National Forest,and passes many historical landmarks, including the National Forest Inn, Reservoir Summit, Kelly's Half Way Inn, Tumble Inn, and Sandberg's Summit Hotel. North of the forest, the Ridge Route passed through Deadman's Curve before ending atGrapevine.
  
  The road was bypassed by the three-laneRidge Route Alternate,thenU.S. Route 99(US 99), to handle increased traffic and remove curves; the Alternate in Los Angeles County was completed in 1933, and Kern County line to Grapevine in 1936. The four-lane US 99 was completed in 1953 and replaced by an eight-lanefreeway,Interstate 5(I-5) in 1960-70. The portion of the road in the Angeles National Forest was added to theNational Register of Historic Placesin 1997, by the efforts of Harrison Scott. Much of the road has been closed by theU.S. Forest Service;other remnants are used by local traffic. (Full article...)
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  M-1,also known asWoodward Avenue,is a north–southstate trunkline highwayin theMetro Detroitarea of the US state ofMichigan.The highway, called "Detroit's Main Street", runs fromDetroitnorth-northwesterly toPontiac.It is one of the five principal avenues of Detroit, along withMichigan,Grand River,Gratiot,andJeffersonavenues. These streets wereplattedin 1805 by JudgeAugustus B. Woodward,namesake to Woodward Avenue. TheFederal Highway Administration(FHWA) has listed the highway as theAutomotive Heritage Trail,anAll-American Roadin the National Scenic Byways Program. It has also been designated aPure Michigan Bywayby theMichigan Department of Transportation(MDOT), and was also included in theMotorCities National Heritage Areadesignated by theUS Congressin 1998.
  
  The trunkline is the dividing line between Detroit's East and West sides and connects to some of the city's major freeways likeInterstate 94(I-94, Edsel Ford Freeway) andM-8(Davison Freeway). Woodward Avenue exits Detroit atM-102(8 Mile Road) and runs through the city's northern suburbs inOakland Countyon its way to Pontiac. In between, Woodward Avenue passes through several historic districts in Detroit and provides access to many businesses in the area. The nameWoodward Avenuehas become synonymous with Detroit,cruisingculture and the automotive industry. (Full article...)
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  Interstate 69(I-69) is a part of theInterstate Highway Systemthat will eventually run from theMexican borderinTexasto theCanadian borderatPort Huron, Michigan.InMichigan,it is astate trunkline highwaythat enters the state south ofColdwaterand passes the cities ofLansingandFlintin theLower Peninsula.A north–south freeway from the Indiana–Michigan border to the Lansing area, it changes direction to east–west afterrunning concurrentlywithI-96.The freeway continues to Port Huron before terminating in the middle of the twin-spanBlue Water Bridgewhile running concurrently withI-94at the border. There are four relatedbusiness loopsfor I-69 in the state, connecting the freeway to adjacent cities.
  
  Predecessors to I-69 include the firstM-29,US Highway 27(US 27),M-78andM-21.The freeway was not included on the original Interstate Highway System planning maps in the mid-1950s, but it was added in 1958 along a shorter route. Michigan built segments of freeway for the future Interstate in the 1960s, and the state was granted additional Interstate mileage in 1968 to extend I-69 north and east to Flint. Later extensions in 1973 and 1987 resulted in the modern-day highway. The first freeway segment designated as I-69 in Michigan opened in 1967, and the last was completed in 1992, finishing Michigan's Interstate System. US 27 previously ran concurrently with I-69 from the Indiana–Michigan state line north to the Lansing area, but this designation was removed in 2002. (Full article...)
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  TheState Trunkline Highway Systemconsists of all thestate highwaysinMichigan,including those designated asInterstate,United States Numbered(US Highways), or State Trunkline highways. In their abbreviated format, these classifications are applied to highway numbers with anI-,US,orM- prefix, respectively. The system is maintained by theMichigan Department of Transportation(MDOT) and comprises 9,669 miles (15,561 km) of trunklines in all83 countiesof the state on both theUpperandLowerpeninsulas (UP, LP), which are linked by theMackinac Bridge.Components of the system range in scale from 10-lane urbanfreewayswithlocal-express lanesto two-lane ruralundivided highwaysto anon-motorized highwayonMackinac Islandwhere cars are forbidden. The longest highway is nearly 400 miles (640 km) long, while the shortest is about three-quarters of a mile (about 1.2 km). Some roads areunsigned highways,lacking signage to indicate their maintenance by MDOT; these may be remnants of highways that are still under state control whose designations weredecommissionedor roadway segments left over from realignment projects.
  
  Predecessors to today's modern highways include the foot trails used byNative Americansin the time before European settlement. Shortly after the creation of theMichigan Territoryin 1805, the new government established the first road districts. The federal government aided in the construction of roads to connect population centers in the territory. At the time, road construction was under the control of thetownshipandcountygovernments. The state government was briefly involved in roads until prohibited by a new constitution in 1850.Private companiesconstructedplank roadsand chargedtolls.Local township roads were financed and constructed through a statute labor system that required landowners to make improvements in lieu of taxes. Countywide coordination of road planning, construction and maintenance was enacted in the late 19th century. (Full article...)
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  M-553is a north–southstate trunkline highwayin theUpper Peninsula(UP) of the US state ofMichigan.It connectsM-35nearGwinnwith the Marquette Bypass, anexpresswaycarryingUS Highway 41(US 41) andM-28inMarquette.M-553 connects Marquette withMarquette Sawyer Regional Airportat theunincorporated communityofK.I. Sawyer,the former site of aUS Air Forcebase, in the Sands Plains area of Marquette County. The intersection with County Road 480 (CR 480) inSands Township,known locally as the Crossroads, is the site of several businesses. North of this location, M-553 runs through some hilly terrain around a local ski hill.
  
  The trunkline was originallyCounty Road 553(CR 553) inMarquette County.CR 553 dates back to the 1930s, was fully paved in the 1940s, and a segment of the roadway was relocated in the 1950s. During the early 1990s, the City of Marquette extended one of their streets, McClellan Avenue, southward to connect to CR 553. Thecounty roadwas transferred from the Marquette County Road Commission (MCRC) to the jurisdiction of theMichigan Department of Transportation(MDOT) on October 1, 1998. MDOT assigned most of the former county road the M-553 designation after the transfer was complete. One section that was less than a mile (about 1.4 km) was given theM-554designation. Thisrelated trunklinewasunsigned by the statewith only city street signs to indicate its existence. In 2005, control of various roadways was exchanged between the City of Marquette and MDOT, and M-553 was extended through the city. At the same time, M-554was turned overto the city's jurisdiction. (Full article...)

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  M-146was astate trunkline highwayin the US state ofMichiganthat initially served as a bypass for traffic going aroundPort Huronand as a short cut for traffic betweenU.S. Highway 25(US 25) andM-21.Later it connected to theBlue Water Bridgebefore it was truncated to its final form. Segments of M-146 still exist today as state highways as part ofInterstate 94(I-94) andI-69and the Lapeer Connector. (Full article...)
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  Nebraska Highway 88(N-88) is a highway in northwesternNebraska.It has a western terminus atWyoming Highway 151(WYO 151) at the Wyoming–Nebraska state line. The road travels eastward toN-71,where it turns south. N-88 continues east to south ofBridgeport.The road turns north, ends at an intersection withU.S. Highway 385(US 385) andN-92in Bridgeport. The route was designated in 1937, before the official state highway system was created. It was extended to the state line in 1986. (Full article...)
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  Interstate H-2(H-2,named theVeterans Memorial Freeway) is an intrastateInterstate Highwaylocated on the island ofOʻahuin the U.S. state ofHawaii.The north–south freeway connectsH-1inPearl CitytoMililaniandWahiawa,where it terminates atRoute 99nearSchofield Barracks.
  
  The Interstate System was expanded to Hawaii in 1960 along several corridors, with H-2 assigned to the north–south connection between theHonoluluarea and Wahiawa. Construction began in 1971, and the first section opened to traffic on October 3, 1974. The rest of H-2 was completed on February 21, 1977. (Full article...)
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  Pennsylvania Route 343(PA 343) is an 8.16-mile (13.13 km) route running fromLebanonnorth toFredericksburginLebanon County,Pennsylvania.It begins atPA 72and ends at Exit 6 ofInterstate 78(I-78). PA 343 heads mostly through urbanized areas near Lebanon before continuing into rural areas further north. There is a concurrency withU.S. Route 22(US 22) near the northern terminus.
  
  PA 343 has had a number of different realignments, most of them relating to the northern terminus of the highway. The highway originally terminated at an intersection withPA 443inLickdale,moved to end in the community of Bordnersville soon after. The highway was then extended along the local continuation to end at US 22 inHarper Tavern.In 1963, PA 343 was moved back to Lickdale, and seven years after, moved to its northern terminus, thirteen years after the construction of I-78. (Full article...)
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  Interstate 680(I-680) inNebraskaandIowais the northern bypass of theOmaha–Council Bluffs metropolitan area.I-680 spans 16.49 miles (26.54 km) from its southern end in westernOmaha, Nebraska,to its eastern end nearCrescent, Iowa.Thefreewaypasses through a diverse range of scenes and terrains—the urban setting of Omaha, theMissouri Riverand its valley, the ruggedLoess Hills,and the farmland ofPottawattamie County, Iowa.
  
  From 1973 until 2019, I-680 extended much farther into Iowa. It followed I-29 for 10 miles (16 km) between Crescent andLoveland.It then headed east along what is now known asI-880until it met I-80 again nearNeola.The I-880 section was originally known as I-80N from 1966 until it was absorbed into I-680 in 1973. I-680 in Omaha was originally designatedInterstate 280(I-280). Maps from the early and mid-1960s showed I-280 in Omaha. Since this highway would extend into Iowa andI-280was already planned for theQuad Citiesarea, this route was redesignated I-680. (Full article...)
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  State Route 503(SR 503) is a 54.11-mile-long (87.08 km)state highwayservingClarkandCowlitzcounties in theU.S. stateofWashington.The highway travels north from a shortconcurrencywithSR 500inOrchardsthroughBattle Ground,the eastern terminus ofSR 502,and communities in rural Clark County before crossing theLewis Riveron theYale Bridge.SR 503 intersects itsspur routeand turns west to parallel the Lewis River downstream toWoodland,where the highway ends at an interchange withInterstate 5(I-5). The highway was part of theLewis River Road,signed asState Road 15,from 1909 until 1919. The current route of SR 503 was split between Secondary State Highway 1S (SSH 1) from Woodland to Battle Ground and SSH 1U from Battle Ground to Orchards in 1937, combined to form SR 503 during the1964 highway renumbering.A spur route, established in 1991, travels northeast into theGifford Pinchot National ForestalongYale Lake,serving the community ofCougar.(Full article...)
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  State Route 40(SR 40) is a 30.46-mile-long (49.02 km)state highwayin thesoutheast partof the U.S. state ofGeorgia.The highway travels from Third Street inFolkstoneast to Church Street inSt. Marys.SR 40 is the primary east–west highway of easternCharlton Countyand southernCamden County.The highway connects Folkston and St. Marys withKingsland,where the highway meetsInterstate 95(I-95) andUS 17/SR 25.SR 40 also serves as the majority of the route from I-95 toNaval Submarine Base Kings BayandCumberland Island National Seashore.SR 40 has a pair ofauxiliary routes:aconnector routein Folkston and aspur routein St. Marys that provides access to the submarine base andCrooked River State Park.
  
  SR 40 was assigned to the Folkston–St. Marys highway in the early 1920s. The highway was first improved in the mid-1920s and paved in the mid-1930s from Kingsland to St. Marys. SR 40 was paved from Folkston east to the Charlton–Camden county line in the late 1930s and from the county line to Kingsland in the early 1940s. The highway was extensively relocated between Folkston and Kingsland in the mid-1960s. SR 40 was expanded to four lanes, much of it divided highway, east of Kingsland in the 1980s. TheGeorgia Department of Transportation(GDOT) has long-term plans to expand the state highway to a four-lane divided highway from Folkston to Kingsland. The first portion of this project was completed east of Folkston in the mid-2000s. (Full article...)
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  M-76is a formerstate trunkline highwaydesignation in theLower Peninsulaof the US state ofMichigan.The highway's designation wasdecommissionedwhen the last section of it was converted to freeway as a part of the present-dayInterstate 75(I-75). At that time, M-76 extended fromUS Highway 23(US 23) nearStandishnorthwesterly to I-75 south ofGrayling.Two sections of the route followed freeways with a two-lane highway in between to connect them. The former routing of M-76 throughWest Branchbefore that city was bypassed was initially redesignatedBusiness M-76(Bus. M-76). The highway itself ran through mixed fields and forests bypassing several other towns in the region.
  
  First designated by 1919, M-76 initially terminated atRoscommon.It was later extended north through Grayling and west toKalkaskain the 1920s. A second, disconnected, segment was added to the highway in the 1930s. By the early 1940s, both the disconnected section and the Kalkaska–Grayling were added toM-72.M-76 was converted in stages into a freeway in the late 1960s and early 1970s. When the last segment was completed, the number was removed from the highway, and the freeway was added to I-75. (Full article...)
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  M-218was astate trunkline highwayin the US state ofMichiganthat served as a connector route fromInterstate 96(I-96, originallyUS Highway 16,US 16) inWixomthroughOakland County's lake country area toBusiness US 10(Bus. US 10) inPontiac.M-218 was originally designated by 1936 and extended into Pontiac in 1938. The highway wasdecommissionedin 1963. (Full article...)
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  State Route 360(SR 360) is a short east–west route inBuckeye Lake, Ohio.SR 360 starts and ends atSR 79,paralleled to the shore ofBuckeye Lake.The route was designated in 1938, and has not changed significantly since. (Full article...)
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  Delaware Route 15(DE 15) is a state highway in theU.S. stateofDelaware.The route runs fromDE 14west ofMilfordinKent Countynorth toDE 71/DE 896inSummit Bridge,New Castle County,just south of theSummit Bridgeover theChesapeake & Delaware Canal.DE 15 winds a path through many rural sections of Delaware, turning along many different roads. Most of the route, with the exception of the southern part of the route from Milford toCanterbury,runs to the west ofU.S. Route 13(US 13). DE 15 serves several cities and towns, includingWyoming,Dover,Clayton,andMiddletown.The route intersectsDE 12nearFelton,US 13 in Canterbury,DE 10nearCamden,DE 8in Dover,DE 42inSeven Hickories,DE 300andDE 6in the Clayton area,DE 299in Middletown, andDE 286near Summit Bridge.
  
  What is now DE 15 was paved in several stages from the 1930s to the 1960s. By the 1980s, the route was designated between DE 14 in Milford and US 13 in Canterbury. By 1990, it was extended north toUS 301/DE 299 near Middletown and then to US 301/DE 71/DE 896 near the Summit Bridge by 1994. (Full article...)
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  Route 164is astate highwayin theMissouri Bootheel.The route starts atU.S. Route 412(US 412) inCardwell.The route travels eastward across the bootheel, and it goes through the towns ofArbyrd,Hornersville,Rives,andSteele.It becomesconcurrentwith US 61 briefly in Steele, and intersectsInterstate 55(I-55) east of the city. The route ends east ofCottonwood Point,near theMississippi River.
  
  The route was designated in 1956, replacing twosupplemental routesthat started from Cardwell and ended at Steele. In 1965, another former supplemental route was added to the route, extending the eastern terminus to Cottonwood Point. An interchange was constructed at I-55 in 1974. (Full article...)
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  County Route 106(CR 106) is a 7.8-mile (12.6 km) east–westcounty routeinRockland County, New York,in the United States. It serves as an eastward continuation of Kanawauke Road (formerOrange CR 106), extending from the Orange County line toU.S. Route 9W(US 9W) andUS 202inStony PointviaHarriman State Park.CR 106 intersects with several county highways in Rockland County along the way. The route was only one of two in Rockland County to keep its numbering from Orange County, with the other beingCR 72.CR 106 had one spur route, CR 106A, which was recently decommissioned.
  
  The route was originally designatedCounty Highway 416in the 1920s and 1930s. In 1930, it became the easternmost part ofNew York State Route 210(NY 210), a state highway continuing westward into Orange County. In 1982, NY 210 was truncated to end inGreenwood Lake,and its former routing east ofNY 17was replaced by CR 106 in Orange and Rockland counties. CR 106 in Orange County was decommissioned on January 1, 2014, when maintenance was transferred to thePalisades Interstate Park Commission.(Full article...)
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  Mississippi Highway 792(MS 792) is a road in easternMississippi.It starts atU.S. Route 45(US 45), and travels east. Near halfway of the route, SR 792 turns south and continues to its eastern terminus atMS 388.The highway was designated in 1998, and no major changes have been made since. (Full article...)
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  State Route 117(SR 117) is a short, 1.40-mile (2.25 km) longstate highwaylocated entirely withinPort Angeles,thecounty seatofClallam County,in theU.S. stateofWashington.The short roadway, named the Tumwater Truck Route, serves the waterfront of Port Angeles and intersects two streets and crosses under another street on a short bridge. Beginning at an interchange withU.S. Route 101(US 101), the highway travels northeast to terminate at Marine Drive. SR 117 was first established in 1991, but a road parallel to the current roadway had existed since 1966. (Full article...)

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• October 1:TheBella Vista Bypassis opened to traffic, makingInterstate 49complete fromKansas City, MissouritoFort Smith, Arkansas.
• April 6:Work begins on covering the abandoned section ofPennsylvania Route 61inCentralia,known as "Graffiti Highway", with dirt in order to block public access.
• October 3:Nevada Department of Transportationbegins renumbering the exits alongInterstate 580,which originally reflected mileage along concurrentU.S. Route 395,to reflect mileage along the Interstate designation.
• June 1:The first portion of the I-77 ExpressHOT lanesalongInterstate 77inNorth Carolinaopened between Hambright Road inHuntersvilleandNC 150inMooresville.
• February 4:Anew highway tunnelopens in downtownSeattleto carry a section ofWashington State Route 99,replacing the recently-closedAlaskan Way Viaduct.It cost $3.3 billion to construct and took over five years due to delays with itstunnel boring machine,Bertha.
• January 10:TheU.S. Route 301toll road inDelawarebetween theMarylandborder southwest ofMiddletownandDelaware Route 1inBiddles Corneropens to traffic. The toll road is the first in Delaware to useall-electronic tolling,with tolls paid byE-ZPassortoll-by-plate.
• November 21:TheU.S. Route 219freeway betweenMeyersdaleandSomersetinSomerset County, Pennsylvaniaopens to traffic.
• November 7:The section ofTexas State Highway Loop 49bypassingLindalefromInterstate 20north toU.S. Route 69opens to traffic.
• October 13:A groundbreaking ceremony is held for the realignment ofU.S. Route 219betweenInterstate 68and Old Salisbury Road inGarrett County, Maryland,with GovernorLarry Hoganin attendance.

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See alsoWikipedia:WikiProject U.S. Roads/to do,Category:U.S. road articles needing attentionand individual state highway project to-do lists.

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