63-562: The Research Triangle , or simply The Triangle , are both common nicknames for a metropolitan area in the Piedmont region of the U.S. state of North Carolina . Anchored by the cities of Raleigh and Durham and the town of Chapel Hill , the region is home to three major research universities: North Carolina State University , Duke University , and the University of North Carolina at Chapel Hill , respectively. The "Triangle" name originated in
126-887: A AAA Minor League baseball affiliate of the Tampa Bay Rays , and the Carolina Mudcats , based in Zebulon, are the Advanced-A affiliate of the Milwaukee Brewers . In Cary, North Carolina FC plays in the second-tier USL Championship The area also had a team in the fledgling World League of American Football – however, the Raleigh–Durham Skyhawks , coached by Roman Gabriel , did not exactly cover themselves in glory; they lost all 10 games of their inaugural (and only) season in 1991. The team folded after that, being replaced in
189-730: A difficulty in competing with US Airways ' hub in Charlotte and Delta Air Lines ' hub in Atlanta, Georgia for passengers traveling between smaller cities in the North and South. Midway Airlines entered the market, starting service in 1995 with the then somewhat novel concept of 50-seat Canadair Regional Jets providing service from its RDU hub primarily along the East Coast. Midway, originally incorporated in Chicago , had some success after moving its operations to
252-560: A total of nine counties. The MSAs and their constituent counties are: Prior to September 2018, the OMB had used the name Raleigh-Durham-Chapel Hill Combined Statistical Area and it included several additional counties. The Dunn Micropolitan Statistical Area (Harnett County) and Sanford Micropolitan Statistical Area (Lee County) were moved to the Fayetteville-Sanford-Lumberton Combined Statistical Area, while
315-771: Is a physiographic province of the larger Appalachian Highlands physiographic division and consists of the Piedmont Upland, and the Piedmont Lowlands sections. The Atlantic Seaboard Fall Line marks the Piedmont's eastern boundary with the Coastal Plain. To the west, it is mostly bounded by the Blue Ridge Mountains , the easternmost range of the Appalachians. The width of the Piedmont varies, being quite narrow above
378-448: Is almost entirely located inside the Piedmont region. Piedmont soils are generally clay -like ( Ultisols ) and moderately fertile. In some areas they have suffered from erosion and over-cropping, particularly in the South where cotton was historically the chief crop. In the central Piedmont region of North Carolina and Virginia , tobacco is the main crop, while in the north region there
441-628: Is defined by Nielsen as including Chatham, Cumberland, Dunn, Durham, Granville, Halifax, Harnett, Hoke, Johnston, Lee, Moore, Northampton, Orange, Robeson, Vance, Wake, Warren, Wayne , and Wilson Counties, along with parts of Franklin County. Numerous newspapers and periodicals serve the Triangle market. The Triangle is part of the Raleigh–Durham– Fayetteville Designated Market Area for broadcast television. As of 2015–16,
504-463: Is designated US 1 for half of its route and US 401 the other is not a limited-access freeway, although it is a major thoroughfare through northeast Raleigh and into the northern downtown area. North Carolina Highway 147 is a limited-access freeway that connects I-85 with Toll Route NC 540 in northwestern Wake County. The older, toll-free portion of the four-lane route—known as the Durham Freeway or
567-401: Is ill-suited for digital broadcasting. In these cases, the outlying areas of a TMA may only be served by cable and satellite, or perhaps by small translators . (There are some cases, such as that of Olean, New York , where a sizable number of independent stations operate, but none carry any major network affiliation unless they operate as translators. Because of this, Olean is considered part of
630-801: Is located near the geographic center of The Triangle, 4 + 1 ⁄ 2 miles (7.2 km) northeast of the town of Morrisville in Wake County . The airport covers 5,000 acres (2,023 ha) and has three runways . In 1939 the General Assembly of North Carolina chartered the Raleigh–Durham Aeronautical Authority, which was changed in 1945 to the Raleigh–Durham Airport Authority. The first new terminal opened in 1955. Terminal A (now Terminal 1) opened in 1981. American Airlines began service to RDU in 1985. RDU opened
693-559: Is more diversity, including orchards , dairying , and general farming . The portion of the Piedmont region in the Southern United States is closely associated with the Piedmont blues , a style of blues music that originated there in the late 19th century. According to the Piedmont Blues Preservation Society, most Piedmont blues musicians came from Virginia, North and South Carolina, and Georgia. During
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#1733086141527756-615: Is part of the Raleigh–Durham–Fayetteville television designated media area and is the 25th-largest in the country with 1,135,920 households (2014) included in that area and the second largest television market in North Carolina. It is part of the Raleigh–Durham Nielsen Audio radio market (code 115) and is the 42nd-largest in the country with a population of 1,365,900. The Raleigh–Durham–Fayetteville market
819-469: Is provided by American, Frontier and JetBlue, while the Canada flights are provided by Air Canada, Paris by Delta, and Reykjavik by Icelandair. Icelandair is the first international carrier outside of Air Canada to service the airport. Delta Air Lines currently considers the airport to be a "focus city", or an airport that is not a hub, but is of importance to the carrier. The COVID-19 pandemic significantly shrunk
882-641: Is sometimes confused with the Piedmont Triad , which is a North Carolina region adjacent to and directly west of the Triangle comprising Greensboro , Winston-Salem , and High Point , among other cities. Both the Research Triangle and the Piedmont Triad form part of the Piedmont Crescent , a heavily urbanized region of the state that includes the city of Charlotte . Depending on which definition of
945-556: Is used by advertisers to determine how to reach a specific audience . In countries such as the United States, media regions are defined by a privately held institution without government status; in countries such as the United Kingdom , government-run television stations map their own regions. A Television Market Area ( TMA ) is a group of counties in the United States covered by a specific group of television stations . The term
1008-583: Is used by the U.S. Government's Federal Communications Commission (FCC) to regulate broadcast, cable, and satellite transmissions, according to the Code of Federal Regulations , at 47 CFR § 76.51 and FCC.gov. The TMAs not only have full control over local broadcasts, but also delineate which channels will be received by satellite or cable subscribers ( "must-carry" rules ). These market areas can also be used to define restrictions on rebroadcasting of broadcast television signals. Generally speaking, only stations within
1071-581: The Alps . The surface relief of the Piedmont is characterized by relatively low, rolling hills with heights above sea level between 200 feet (50 m) and 800 feet to 1,000 feet (250 m to 300 m). Its geology is complex, with numerous rock formations of different materials and ages intermingled with one another. Essentially, the Piedmont is the remnant of several ancient mountain chains that have since been eroded. Geologists have identified at least five separate events which have led to sediment deposition, including
1134-486: The Atlantic Seaboard fall line , the eastern boundary of the Piedmont. (In Georgia and Alabama, where the Piedmont runs mostly east to west, the fall line is its southern boundary.) The fall line, where the land rises abruptly from the coastal plain, marks the limit of navigability on many major rivers, so inland ports sprang up along it. Within the Piedmont region itself, there are several areas of urban concentration,
1197-678: The Buffalo, New York market despite none of that city's major signals reaching the city from 70 miles [110 km] away.) Conversely, a geographically small market such as Erie, Pennsylvania may have stations where their signal spills well over into neighboring TMAs (most of Chautauqua County, New York , is closer to Erie than Buffalo, but the county is also located within the Buffalo DMA). Arbitron (now Nielsen Audio) also maintained similar areas for television ratings, each called an "area of dominant influence" (ADI), which were first created in 1966. For
1260-573: The Delaware River but nearly 300 miles (475 km) wide in North Carolina . The Piedmont's area is approximately 80,000 square miles (210,000 km ). The French word Piedmont comes from the Italian : Piemonte , meaning " foothill ", ultimately from Latin "pedemontium", meaning "at the foot of the mountains", similar to the name of the Italian region of Piedmont ( Piemonte ), abutting
1323-635: The Great Migration , African Americans migrated to the Piedmont. With the Appalachian Mountains to the west, those who might otherwise have spread into rural areas stayed in cities and were thus exposed to a broader mixture of music than those in, for example, the rural Mississippi delta. Thus, Piedmont blues was influenced by many types of music, such as ragtime , country, and popular songs — styles that had comparatively less influence on blues music in other regions. Many major cities are located on
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#17330861415271386-1065: The Greenville-Spartanburg-Anderson, SC Combined Statistical Area in South Carolina, and the Philadelphia metropolitan area in Pennsylvania. Media market A media market , broadcast market , media region , designated market area (DMA) , television market area , or simply market is a region where the population can receive the same (or similar) television and radio station offerings, and may also include other types of media such as newspapers and internet content. They can coincide with or overlap with one or more metropolitan areas , though rural regions with few significant population centers can also be designated as markets. Conversely, very large metropolitan areas can sometimes be subdivided into multiple segments. Market regions may overlap, meaning that people residing on
1449-547: The Grenville orogeny (the collision of continents that created the supercontinent Rodinia ) and the Appalachian orogeny during the formation of Pangaea . The last major event in the history of the Piedmont was the break-up of Pangaea, when North America and Africa began to separate. Large basins formed from the rifting and were filled by the sediments shed from the surrounding higher ground. The series of Mesozoic basins
1512-652: The Raleigh–Durham–Cary CSA , comprises nine counties, although the U.S. Census Bureau divided the region into two metropolitan statistical areas and one micropolitan area in 2003. The Raleigh-Cary metropolitan area comprises Wake, Franklin, and Johnston Counties; the Durham-Chapel Hill metropolitan area comprises Durham, Orange, Chatham, Granville, and Person Counties; and the Henderson micropolitan area comprises Vance County. Some area television stations define
1575-600: The United States , radio markets are generally a bit smaller than their television counterparts, as broadcast power restrictions are stricter for radio than TV, and TV reaches further via cable. AM band and FM band radio ratings are sometimes separated, as are broadcast and cable television ratings. Market researchers also subdivide ratings demographically between different age groups, genders , and ethnic backgrounds, as well as psychographically between income levels and other non-physical factors. This information
1638-457: The University of North Carolina at Chapel Hill ) are all members of the ACC . Rivalries among these schools are very strong, fueled by proximity to each other, with annual competitions in every sport. Adding to the rivalries is the large number of graduates the high schools in the region send to each of the local universities. It is very common for students at one university to know many students attending
1701-520: The Wake County Public School System , which includes the cities of Raleigh and Cary, is the largest school system in the state of North Carolina and the 15th-largest in the United States, with average daily enrollment of 159,949 as of the second month of the 2016–17 school year. Other larger systems in the region include Durham Public Schools (about 33,000 students) and rapidly growing Johnston County Schools (about 31,000 students). With
1764-732: The World University Summer Games in 2029. The region has only one professional team of the four major sports , the Carolina Hurricanes of the National Hockey League , based in Raleigh. Since moving to the Research Triangle region from Hartford, Connecticut , they have enjoyed great success, including winning a Stanley Cup . The North Carolina Courage began play in the National Women's Soccer League in 2017 after
1827-687: The 10,000-foot (3,000 m) runway, 5L-23R, in 1986. American Airlines opened its north–south hub operation at RDU in the new Terminal C in June 1987, greatly increasing the size of RDU's operations with a new terminal including a new apron and runway. American brought RDU its first international flights to Bermuda , Cancun , Paris and London . In 1996, American Airlines ceased its hub operations at RDU due to Pan Am and Eastern Airlines . Pan Am and Eastern were Miami's main tenants until 1991, when both carriers went bankrupt. Their hubs at MIA were taken over by United Airlines and American Airlines. This created
1890-630: The 1950s with the creation of Research Triangle Park located between the three anchor cities, which is the largest research park in the United States and home to numerous high tech companies. The nine-county region, officially named the Raleigh–Durham–Cary, NC Combined Statistical Area by the Office of Management and Budget , comprises the Raleigh – Cary , Durham – Chapel Hill , and Henderson , NC Metropolitan Statistical Areas . The 2020 census put
1953-465: The 1993–1994 television season, there were 209 ADIs in the continental United States. Arbitron stopped offering a television ratings service in late 1993. Nielsen Audio (previously Arbitron) maintains smaller areas for radio stations ; each is called an Arbitron Radio Metro . Whereas a typical TMA may cover ten counties, an Arbitron market generally covers two to four, and a TMA may contain two to four separate Radio Metros. There are 302 Radio Metros in
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2016-731: The CARS Late Model Stock Tour. The region's growing high-technology community includes such companies as IBM , Lenovo , SAS Institute , Cisco Systems , NetApp , Red Hat , EMC Corporation , and Credit Suisse First Boston . In addition to high-tech, the region is consistently ranked in the top three in the U.S. with concentration in life science companies. Some of these companies include GlaxoSmithKline , Biogen Idec , BASF , Merck & Co. , Novo Nordisk , Novozymes , and Pfizer . Research Triangle Park and North Carolina State University's Centennial Campus in Raleigh support innovation through R&D and technology transfer among
2079-828: The I.L. "Buck" Dean Expressway—traverses downtown Durham and extends through Research Triangle Park to I-40. The Durham Freeway is often used as a detour or alternate route for I-40 through southwestern Durham the Chapel Hill area in cases of traffic accident, congestion or road construction delays. The tolled portion of NC 147, called the Triangle Expressway—North Carolina's first modern toll road when it opened to traffic in late 2011—continues past I-40 to Toll NC 540. Both Toll NC 147 and Toll NC 540 are modern facilities which collect tolls using transponders and license plate photo-capture technology. A partnering system of multiple public transportation agencies currently serves
2142-744: The Oxford Micropolitan Statistical Area (Granville County) was folded into the Durham-Chapel Hill Metropolitan Statistical Area. The Raleigh Metropolitan Statistical Area was also renamed the Raleigh-Cary Metropolitan Statistical Area. The table below outlines the populations of the constituent counties of the Raleigh–Durham-Cary Combined Statistical Area as of the 2020 Census. The members of
2205-589: The Raleigh Outer Loop, extends from the US 64–264 Bypass to I-40 just inside Durham County, where it continues across the interstate as a state route (NC 540), prior to its becoming a toll road from the NC 54 interchange to the current terminus at NC Highway 55 near Holly Springs. I-95 serves the extreme eastern edge of the region, crossing north–south through suburban Johnston County. U.S. Routes 1, 15, and 64 primarily serve
2268-755: The Research Triangle Park area. The agency's initial proposal was effectively cancelled in 2006, however, when the agency could not procure adequate federal funding. A committee of local business, transportation and government leaders currently are working with GoTriangle to develop a new transit blueprint for the region, with various modes of rail transit, as well as bus rapid transit , open as options for consideration. ( IATA : RDU , ICAO : KRDU , FAA LID : RDU ) Raleigh–Durham International Airport (RDU) has nonstop passenger service to 68 destinations with over 450 average daily departures, including nonstop international service to Canada, Europe, and Mexico. It
2331-637: The Research Triangle Regional Partnership are: All counties in North Carolina are in one of 16 regional councils which provide programs and services to local governments. The Triangle J Council of Governments includes Chatham, Durham, Johnston, Lee, Moore, Orange, and Wake Counties. The northern Triangle counties of Person, Granville, Franklin, Vance, and Warren are part of the Kerr-Tar Regional Council of Governments. The Triangle region, as defined for statistical purposes as
2394-663: The Research Triangle region is used, as few as three or as many as 16 counties are included as part of the region. The three core counties of Wake, Durham, and Orange are the homes of the three research universities for which the area is named. As of September 14, 2018, the US Office of Management and Budget (OMB) delineated the Raleigh-Durham-Cary Combined Statistical Area as consisting of two metropolitan and one micropolitan statistical areas. Those three statistical areas in turn are defined as consisting of
2457-737: The Research Triangle region: A number of helipads (i.e. marked landing sites not classified under the FAA LID system) also serve a variety of additional medical facilities (such as UNC Hospitals in Chapel Hill), as well as private, corporate and governmental interests, throughout the region. Amtrak serves the region with the Silver Meteor , Silver Star , Palmetto , Carolinian , and Piedmont routes. Film festivals and events: Notable performing arts and music venues: Theatre and dance events: Music festivals: Movie theatres: The area
2520-580: The Triangle region under the joint GoTriangle branding. Raleigh is served by GoRaleigh (formerly Capital Area Transit) municipal transit system, while Durham has GoDurham (formerly the Durham Area Transit Authority) . Chapel Hill is served by Chapel Hill Transit , and Cary is served by GoCary (formerly C-Tran) public transit systems. However, GoTriangle, formerly called Triangle Transit, works in cooperation with all area transit systems by offering transfers between its own routes and those of
2583-570: The Triangle-based universities listed has won at least two NCAA Basketball national championships. Three historically black colleges , including recent Division I arrival North Carolina Central University and Division II members St. Augustine College and Shaw University also boost the popularity of college sports in the region. Other colleges in the Triangle that field intercollegiate teams include Campbell University , Meredith College , and William Peace University . The Triangle will host
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2646-536: The area was the 25th-largest in the country. This area includes these television stations: Piedmont (United States) The Piedmont / ˈ p iː d m ɒ n t / is a plateau region located in the Eastern United States . It is situated between the Atlantic Plain and the Blue Ridge Mountains , stretching from New York in the north to central Alabama in the south. The Piedmont Province
2709-436: The center of the market region. However, geography and the fact that some metropolitan areas have large cities separated by some distance can make markets have unusual shapes and result in two, three, or more names being used to identify a single region (such as Wichita – Hutchinson, Kansas ; Chico – Redding, California ; Albany – Schenectady – Troy, New York ; and Harrisburg – Lebanon – Lancaster – York, Pennsylvania ). In
2772-466: The edge of one media market may be able to receive content from other nearby markets. They are widely used in audience measurements , which are compiled in the United States by Nielsen Media Research . Nielsen has measured both television and radio audiences since its acquisition of Arbitron , which was completed in September 2013. Markets are identified by the largest city, which is usually located in
2835-724: The largest being the Atlanta metropolitan area in Georgia. The Piedmont cuts Maryland in half, covering the Baltimore–Washington metropolitan area . In Virginia , the Greater Richmond metropolitan area is the largest urban concentration. In North Carolina, the Piedmont Crescent includes several metropolitan clusters such as Charlotte metropolitan area , the Piedmont Triad , and the Research Triangle . Other notable areas include
2898-402: The league by the Ohio Glory , which fared little better at 1–9, ultimately suffering the same fate – along with the other six teams based in North America – when the league took a two-year hiatus, returning as a six-team all-European league in 1995. The Orange County Speedway in Rougemont hosts stock car racing events including the Pro All Stars Series , the CARS Super Late Model Tour and
2961-583: The midpoint of the eastern United States at RDU and its headquarters to Morrisville, NC. The carrier ultimately could not overcome three weighty challenges: the arrival of Southwest Airlines , the refusal of American Airlines to renew the frequent flyer affiliation it had with Midway (thus dispatching numerous higher fare-paying businesspeople to airlines with better reward destinations), and the significant blow of September 11, 2001. Midway Airlines filed Chapter 11 bankruptcy on August 13, 2001, and ceased operations entirely on October 30, 2003. In February 2000, RDU
3024-453: The most viewers. There are 210 Nielsen DMAs in the United States, 70 of which are metered (in other words, viewership in these markets are estimated automatically instead of through the archaic diary system still in use in the smaller markets). TMAs may cover a much larger area than the stations that serve it, especially since the digital television transition . This is particularly true in markets that have hilly or mountainous terrain that
3087-426: The operation, but by September 2022, Delta will be serving 21 destinations on aircraft ranging from the CRJ700 to the 767. In addition to RDU, several smaller publicly owned general-aviation airports also operate in the metropolitan region: Several licensed private general-aviation and agricultural airfields are located in the region's suburban areas and nearby rural communities: These licensed heliports serve
3150-460: The other local universities, which increases the opportunities for "bragging" among the schools. The four ACC schools in the state, Duke, North Carolina, North Carolina State, and Wake Forest University (the last of which was originally located in the town of Wake Forest before moving to Winston-Salem in 1956), are referred to as Tobacco Road by sportscasters, particularly in basketball. All four teams consistently produce high-caliber teams . Each of
3213-421: The other systems. Triangle Transit also coordinates an extensive vanpool and rideshare program that serves the region's larger employers and commute destinations. Plans have been made to merge all of the area's municipal systems into GoTriangle, and GoTriangle also has proposed a regional rail system to connect downtown Durham, downtown Cary and downtown Raleigh with multiple suburban stops, as well as stops in
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#17330861415273276-431: The owner of North Carolina FC bought the NWSL franchise rights of the Western New York Flash and relocated the NWSL franchise to the Triangle. The team has achieved broad success in the league, winning 2 NWSL championships and 3 NWSL Shields in the first five years in the Triangle. With limited top-level professional sports option, minor league sports are quite popular in the region. The Durham Bulls in downtown Durham are
3339-437: The population of the area at 2,106,463, making it the second-largest combined statistical area in North Carolina, behind Charlotte . The Raleigh–Durham television market includes a broader 24-county area which includes Fayetteville, North Carolina , and has a population of 2,726,000 persons. Most of the Triangle is part of North Carolina's first , second , fourth , ninth , and thirteenth congressional districts. The region
3402-478: The primary freeway through Raleigh. The related loop freeways I-440 and I-540 are primarily located in Wake County around Raleigh. I-440 begins at the interchange of US 1 and I-40 southwest of downtown Raleigh and arcs as a multiplex with US 1 northward around downtown with the formal designation as the Cliff Benson/Raleigh Beltline (cosigned with US 1 on three-fourths of its northern route) and ends at its junction with I-40 in southeast Raleigh. I-540, sometimes known as
3465-442: The region as Raleigh–Durham–Fayetteville . Fayetteville is more than 50 miles (80 km) from Raleigh, but is part of the Triangle television market . Public secondary education in the Triangle is similar to that of the majority of the state of North Carolina, in which there are county-wide school systems (the exception is Chapel Hill-Carrboro City Schools within Orange County but apart from Orange County Schools). Based in Cary,
3528-423: The region as US 15-501 . I-95 passes 30 miles east of Raleigh through Johnston County, with I-87 connecting I-95 at Rocky Mount, NC to Raleigh via the US 64–264 Bypass . The two interstates diverge from one another in Orange County, with I-85 heading northeast through northern Durham County toward Virginia , while I-40 travels southeast through southern Durham, through the center of the region, and serves as
3591-425: The region as limited-access freeways or multilane highways with access roads . US 1 enters the region from the southwest as the Claude E. Pope Memorial Highway and travels through suburban Apex where it merges with US 64 and continues northeast through Cary. The two highways are codesignated for about 2 miles (3.2 km) until US 1 joins I-440 and US 64 with I-40 along the Raleigh–Cary border. Capital Boulevard, which
3654-431: The region's companies and research universities (including Duke University and the University of North Carolina at Chapel Hill). The area fared relatively well during the late-2000s recession , ranked as the strongest region in North Carolina by the Brookings Institution and among the top 40 in the country. The change in unemployment during 2008 to 2009 was 4.6% and home prices was 2%. The Greensboro metropolitan area
3717-422: The same market area can be rebroadcast. The only exception to this rule is the " significantly viewed " list. Virtually all of the United States is located within the boundaries of exactly one TMA. A similar term used by Nielsen Media Research is the Designated Market Area (DMA), and they control the trademark on it. DMAs are used by Nielsen Media Research to identify TV stations that best reach an area and attract
3780-458: The significant number of universities and colleges in the area and the relative absence of major league professional sports, NCAA sports are very popular, particularly those sports in which the Atlantic Coast Conference participates, most notably basketball. The Duke Blue Devils (representing Duke University in Durham), NC State Wolfpack (representing North Carolina State University in Raleigh), and North Carolina Tar Heels (representing
3843-450: The terminal. Terminal A became designated as Terminal 1 on October 26, 2008. In 2003, RDU also dedicated a new general aviation terminal. RDU continues to keep pace with its growth by redeveloping Terminal C into a new state-of-the-art terminal, now known as Terminal 2, which opened in October 2008. As of June 2022, the airport will have international flights to Cancun, London, Montreal, Paris, Reykjavik and Toronto. Cancun and London service
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#17330861415273906-456: Was listed among the second-weakest and the Charlotte area among the middle in the country. The Research Triangle region is served by these hospitals and medical centers: The Triangle proper is served by three major interstate highways : I-40 , I-85 , and I-87 along with their spurs : I-885 , I-440 , and I-540 , and seven U.S. Routes : 1 , 15 , 64 , 70 , 264 , 401 , and 501 . US Highways 15 and 501 are multiplexed through much of
3969-442: Was ranked as the nation's second fastest-growing major airport in the United States, by Airports Council International, based on 1999 statistics. Passenger growth hit 24% over the previous year, ranking RDU second only to Washington Dulles International Airport . RDU opened Terminal A south concourse for use by Northwest and Continental Airlines in 2001. The addition added 46,000 square feet (4,300 m) and five aircraft gates to
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