Arlington County, Virginia facts for kids
|Arlington County, Virginia|
Location in the state of Virginia
Virginia's location in the U.S.
|Founded||February 27, 1801|
26 sq mi (67 km²)
26 sq mi (67 km²)
0.1 sq mi (0 km²), 0.4%
8,814/sq mi (3,403/km²)
|Time zone||Eastern: UTC-5/-4|
|Named for: Arlington House|
Arlington County is a county in the Commonwealth of Virginia. It is coterminous with the U.S. Census Bureau-census-designated place of Arlington, which is the second-largest principal city of the Washington metropolitan area. As a result, the county is often referred to in the region simply as "Arlington" or "Arlington, Virginia". In 2015, the county's population was estimated at 229,164, which would make it the fourth-largest city in the Commonwealth if it were incorporated as such.
The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district of Columbia. On February 27, 1801, a year after moving from the temporary National Capital at Philadelphia to the City of Washington, the United States Congress organized the area as a subdivision of the District named Alexandria County. In 1846, Congress returned the land southwest of the Potomac River donated by Virginia due to issues involving Congressional representation and the abolition of slavery. The General Assembly of Virginia changed the county's name to Arlington in 1920 to avoid confusion with the adjacent City of Alexandria.
The county is situated in Northern Virginia on the south bank of the Potomac River directly across from Washington, D.C. Arlington is also bordered by Fairfax County and City of Falls Church to the northwest, west and southwest, and the City of Alexandria to the southeast. With a land area of 26 square miles (67 km2), Arlington is the geographically smallest self-governing county in the United States, and due to state law regarding population density, has no incorporated towns within its borders. As of the 2010 census, the population was 207,627.
Due to the county's proximity to downtown Washington, D.C., Arlington is the headquarters for many departments and agencies of the federal government of the United States, including the Department of Defense (DoD) at the Pentagon, Drug Enforcement Administration, Transportation Security Administration (TSA), and Defense Advanced Research Projects Agency (DARPA). It is also home to Ronald Reagan Washington National Airport. The many federal agencies, government contractors, and service industries contribute to Arlington's stable economy. Arlington is also the location of national memorials and museums, including Arlington National Cemetery, the Pentagon Memorial, the Marine Corps War Memorial, and the United States Air Force Memorial.
It is the highest-income county in the United States by median family income, though it has the highest concentration of singles in the region. According to a 2016 study by Bankrate.com, Arlington is the best place to retire, with nearby Alexandria coming in at second place. Criteria of the study included cost of living, rates of violent and property crimes, walkability, health care quality, state and local tax rates, weather, local culture and well-being for senior citizens.
The area that now constitutes Arlington County was originally part of Fairfax County in the Colony of Virginia. Land grants from the British monarch were awarded to prominent Englishmen in exchange for political favors and efforts at development. One of the grantees was Thomas Fairfax, 6th Lord Fairfax of Cameron, who lends his name to both Fairfax County and the City of Fairfax. The name Arlington goes back to Henry Bennet, Earl of Arlington, the namesake of a plantation, Arlington Plantation, along the Potomac River, and Arlington House, the family residence on that property. George Washington Parke Custis, grandson of First Lady Martha Washington, acquired this land in 1802. The estate was eventually passed down to Mary Anna Custis Lee, wife of General Robert E. Lee. The property later became Arlington National Cemetery during the American Civil War, and eventually lent its name to present-day Arlington County.
The area that now contains Arlington County was ceded to the new United States federal government by the Commonwealth of Virginia. With the passage of the Residence Act in 1790, Congress approved a new permanent capital to be located on the Potomac River, the exact area to be selected by U.S. President George Washington. The Residence Act originally only allowed the President to select a location within Maryland as far east as what is now the Anacostia River. However, President Washington shifted the federal territory's borders to the southeast in order to include the pre-existing city of Alexandria at the District's southern tip. In 1791, Congress amended the Residence Act to approve the new site, including the territory ceded by Virginia. However, this amendment to the Residence Act specifically prohibited the "erection of the public buildings otherwise than on the Maryland side of the River Potomac." As permitted by the U.S. Constitution, the initial shape of the federal district was a square, measuring 10 miles (16 km) on each side, totaling 100 square miles (260 km2). During 1791–92, Andrew Ellicott and several assistants placed boundary stones at every mile point. Fourteen of these markers were in Virginia and many of the stones are still standing.
When Congress arrived in the new capital, they passed the Organic Act of 1801 to officially organize the District of Columbia and placed the entire federal territory, including the cities of Washington, Georgetown, and Alexandria, under the exclusive control of Congress. Further, the unincorporated territory within the District was organized into two counties: the County of Washington to the east of the Potomac and the County of Alexandria to the west. It included all of the present Arlington County, plus part of what is now the independent city of Alexandria. This Act formally established the borders of the area that would eventually become Arlington but the citizens located in the District were no longer considered residents of Maryland or Virginia, thus ending their representation in Congress.
Residents of Alexandria County had expected the federal capital's location to result in land sales and the growth of commerce. Instead the county found itself struggling to compete with the Chesapeake and Ohio Canal at the port of Georgetown, which was farther inland and on the northern side of the Potomac River next to the City of Washington.
Alexandria had also been a major market in the American slave trade, and rumors circulated that abolitionists in Congress were attempting to end slavery in the District; such an action would have further depressed Alexandria's slavery-based economy. At the same time, an active abolitionist movement arose in Virginia that created a division on the question of slavery in the Virginia General Assembly. Pro-slavery Virginians recognized that if Alexandria were returned to the Commonwealth, it could provide two new representatives who favored slavery in the state legislature. During the American Civil War, this division led to the formation of the state of West Virginia, which comprised the 55 counties in the northwest that favored abolitionism.
Largely as a result of the economic neglect by Congress, divisions over slavery, and the lack of voting rights for the residents of the District, a movement grew to return Alexandria to Virginia from the District of Columbia. From 1840 to 1846, Alexandrians petitioned Congress and the Virginia legislature to approve this transfer known as retrocession. On February 3, 1846, the Virginia General Assembly agreed to accept the retrocession of Alexandria if Congress approved. Following additional lobbying by Alexandrians, Congress passed legislation on July 9, 1846, to return all the District's territory south of the Potomac River back to the Commonwealth of Virginia, pursuant to a referendum; President James K. Polk signed the legislation the next day. A referendum on retrocession was held on September 1–2, 1846. The residents of the City of Alexandria voted in favor of the retrocession, 734 to 116; however, the residents of Alexandria County voted against retrocession 106 to 29. Despite the objections of those living in Alexandria County, President Polk certified the referendum and issued a proclamation of transfer on September 7, 1846. However, the Virginia legislature did not immediately accept the retrocession offer. Virginia legislators were concerned that the people of Alexandria County had not been properly included in the retrocession proceedings. After months of debate, the Virginia General Assembly voted to formally accept the retrocession legislation on March 13, 1847. In 1852, the Virginia legislature voted to incorporate a portion of Alexandria County to make the City of Alexandria, which until then had been only been considered politically as a town.
During the American Civil War, Virginia seceded from the Union as a result of a statewide referendum held on May 23, 1861; the voters from Alexandria County approved secession by a vote of 958–48. This vote indicates the degree to which its only town, Alexandria, was pro-secession and pro-Confederate. The Union loyalists who lived in rural areas outside the town of Alexandria, rejected secession. Although Virginia was part of the Confederacy, its control did not extend all the way through Northern Virginia. In 1862, the United States Congress passed a law that provided that those districts in which the "insurrection" persisted were to pay their real estate taxes in person.
In 1864, during the war, the federal government confiscated the Abingdon estate, which was located on and near the present Ronald Reagan Washington National Airport, when its owner failed to pay the estate's property tax in person because he was serving in the Confederate Army. The government then sold the property at auction, whereupon the purchaser leased the property to a third party.
After the war ended in 1865, the Abingdon estate's heir, Alexander Hunter, started a legal action to recover the property. James A. Garfield, a Republican member of the United States House of Representatives who had been a Brigadier General in the Union Army during the Civil War and who later became the 20th President of the United States, was an attorney on Hunter's legal team. In 1870, the Supreme Court of the United States, in a precedential ruling, found that the government had illegally confiscated the property and ordered that it be returned to Hunter.
The property containing the home of Confederate General Robert E. Lee's family at and around Arlington House was subjected to an appraisal of $26,810, on which a tax of $92.07 was assessed. However, Lee's wife, Mary Anna Custis Lee, the owner of the property, did not pay this tax in person. As a result of the 1862 law, the Federal government confiscated the property and made it into a military cemetery.
After the war ended and after the death of his parents, George Washington Custis Lee, the Lees' eldest son, initiated a legal action in an attempt to recover the property. In December 1882, the U.S. Supreme Court found that the federal government had illegally confiscated the property without due process and returned the property to Custis Lee while citing the Court's earlier ruling in the Hunter case. In 1883, the U.S. Congress purchased the property from Lee for its fair market value of $150,000, whereupon the property became a military reservation and eventually Arlington National Cemetery. Although Arlington House is within the National Cemetery, the National Park Service presently administers the House and its grounds as a memorial to Robert E. Lee.
Confederate incursions from Falls Church, Minor's Hill and Upton's Hill—then securely in Confederate hands—occurred as far east as the present-day area of Ballston. On August 17, 1861 an armed force of 600 Confederate soldiers engaged the 23rd New York Infantry near that crossroads, killing one. Another large incursion on August 27 involved between 600 and 800 Confederate soldiers, which clashed with Union soldiers at Ball's Crossroads, Hall's Hill and along the modern-day border between the City of Falls Church and Arlington. A number of soldiers on both sides were killed. However, the territory in present-day Arlington was never successfully captured by Confederate forces.
Separation from Alexandria
In 1870, the City of Alexandria became legally separated from Alexandria County by an amendment to the Virginia Constitution that made all Virginia incorporated cities (but not incorporated towns) independent of the counties of which they had previously been a part. Because of the confusion between the city and the county having the same name, a movement started to rename Alexandria County. In 1920, the name Arlington County was adopted, after Arlington House, the home of the American Civil War general Robert E. Lee, which stands on the grounds of what is now Arlington National Cemetery. The Town of Potomac was incorporated as a town in Alexandria County in 1908. The town was annexed by the independent city of Alexandria in 1930.
In 1896, an electric trolley line was built from Washington through Ballston, which led to growth in the county (see Northern Virginia trolleys).
In 1920, the Virginia legislature renamed the area Arlington County to avoid confusion with the City of Alexandria which had become an independent city in 1870 under the new Virginia Constitution adopted after the Civil War.
In the 1930s, Hoover Field was established on the present site of the Pentagon; in that decade, Buckingham, Colonial Village, and other apartment communities also opened. World War II brought a boom to the county, but one that could not be met by new construction due to rationing imposed by the war effort.
In October 1942, not a single rental unit was available in the county. The Henry G. Shirley Highway (now Interstate 395) was constructed during World War II, along with adjacent developments such as Shirlington, Fairlington, and Parkfairfax.
In February 1959, Arlington County Schools desegregated racially at Stratford Junior High School (now H-B Woodlawn) with the admission of black pupils Donald Deskins, Michael Jones, Lance Newman, and Gloria Thompson. The U.S. Supreme Court's ruling in 1954, Brown v. Board of Education of Topeka, Kansas had struck down the previous ruling on racial segregation Plessy v. Ferguson that held that facilities could be racially "separate but equal." Brown v. Board of Education ruled that "racially separate educational facilities were inherently unequal." The elected Arlington County School Board presumed that the state would defer to localities and in January 1956 announced plans to integrate Arlington schools. The state responded by suspending the county's right to an elected school board. The Arlington County Board, the ruling body for the county, appointed conservatives to the school board and blocked plans for desegregation. Lawyers for the local chapter of the National Association for the Advancement of Colored People (NAACP) filed suit on behalf of a group of parents of both white and black students to end segregation. Black pupils were still denied admission to white schools, but the lawsuit went before the U.S. District Court, which ruled that Arlington schools were to be desegregated by the 1958–59 academic year. In January 1959 both the U.S. District Court and the Virginia Supreme Court had ruled against the Commonwealth of Virginia's massive resistance movement, which opposed racial integration. The Arlington County Central Library's collections includes written materials as well as accounts in its Oral History Project of the desegregation struggle in the county.
Arlington during the 1960s was undergoing tremendous change after the huge influx of newcomers in the 1950s. The old commercial districts did not have ample off-street parking and many shoppers were taking their business to new commercial centers, such as Parkington and Seven Corners. Suburbs further out in Virginia and Maryland were expanding, and Arlington's main commercial center in Clarendon was declining, similar to what happened in other downtown centers. With the growth of these other suburbs, some planners and politicians pushed for highway expansion. The Federal Aid Highway Act of 1956 would have enabled that expansion in Arlington. However, the administrator of the National Capital Transportation Agency, economist C. Darwin Stolzenbach, saw the benefits of rapid transit for the region and oversaw plans for a below ground rapid transit system, now the Washington Metro, which included two lines in Arlington. Initial plans called for what became the Orange Line to parallel I-66, which would have mainly benefited Fairfax County. Arlington County officials called for the stations in Arlington to be placed along the decaying commercial corridor between Rosslyn and Ballston that included Clarendon. A new regional transportation planning entity was formed, the Washington, Metropolitan Transit Authority. Arlington officials renewed their push for a route that benefited the commercial corridor along Wilson Boulevard, which prevailed. There were neighborhood concerns that there would be high density development along the corridor that would disrupt the character of old neighborhoods. With population in the county declining, political leaders saw economic development as a long range benefit. Citizen input and county planners came up with a workable compromise, with some limits on development. The two lines in Arlington were inaugurated in 1977. The Orange Line's creation was more problematic than the Blue Line's. The Blue Line served the Pentagon and National Airport, and boosted the commercial development of Crystal City and Pentagon City. Property values along the Metro lines increased significantly for both residential and commercial property. The transformation of Clarendon is particularly striking, with its transformation from a downtown shopping area, ensuing decay, home to a vibrant Vietnamese business community in the 1970s and 1980s known as Little Saigon, and now is a vibrant urban village. Arlington's careful planning for the Metro has transformed the county and has become a model revitalization for older suburbs.
On September 11, 2001, five al-Qaeda hijackers deliberately crashed American Airlines Flight 77 into the Pentagon, killing 115 Pentagon employees and 10 contractors in the building, as well as all 53 passengers, six crew members, and five hijackers on board the aircraft.
In 2009, the construction of Turnberry Tower, the tallest residential building in the Washington metropolitan area, was completed in the Rosslyn neighborhood.
1812 N Moore in Rosslyn, completed in 2014, is the tallest building in the Washington metropolitan area, exceeding the nearby Rosslyn Twin Towers that were constructed three decades before it.
Arlington County is located in northeast Virginia and is surrounded by Fairfax County and the Falls Church to the southwest, the City of Alexandria to the southeast, and Washington, D.C. to the northeast directly across the Potomac River, which forms the county's northern border. Other landforms also form county borders, particularly Minor's Hill and Upton's Hill on the west.
According to the U.S. Census Bureau, the county has a total area of 26.1 square miles (67.6 km2), of which 26.0 square miles (67.3 km2) is land and 0.1 square miles (0.3 km2) (0.4%) is water. It is the smallest county by area in Virginia and is the smallest self-governing county in the United States. About 4.6 square miles (11.9 km2) of the county is federal property. The county is roughly in the shape of a rectangle 4 miles (6.4 km) by 6 miles (9.7 km), with the small end slanting in a northwest-southeast direction. It has no incorporated areas. Its county seat is the census-designated place (CDP) of Arlington, which is coterminous with the boundaries of the county; however, the county courthouse and most government offices are located in the Courthouse neighborhood.
For over 30 years, the government has pursued a development strategy of concentrating much of its new development near transit facilities, such as Metrorail stations and the high-volume bus lines of Columbia Pike. Within the transit areas, the government has a policy of encouraging mixed-use and pedestrian- and transit-oriented development. Some of these "urban village" communities include:
In 2002, Arlington received the EPA's National Award for Smart Growth Achievement for "Overall Excellence in Smart Growth." In 2005, the County implemented an affordable housing ordinance that requires most developers to contribute significant affordable housing resources, either in units or through a cash contribution, in order to obtain the highest allowable amounts of increased building density in new development projects, most of which are planned near Metrorail station areas.
A number of the county's residential neighborhoods and larger garden-style apartment complexes are listed in the National Register of Historic Places and/or designated under the County government's zoning ordinance as local historic preservation districts. These include Arlington Village, Arlington Forest, Ashton Heights, Buckingham, Cherrydale, Claremont, Colonial Village, Fairlington, Lyon Park, Lyon Village, Maywood, Penrose, Waverly Hills and Westover. Many of Arlington County's neighborhoods participate in the Arlington County government's Neighborhood Conservation Program (NCP). Each of these neighborhoods has a Neighborhood Conservation Plan that describes the neighborhood's characteristics, history and recommendations for capital improvement projects that the County government funds through the NCP.
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|U.S. Decennial Census
As of the 2010 census, there were:
- 207,627 people
- 98,050 households,
- and 41,607 families residing in Arlington.
The population density was 8,309 people per square mile (2,828/km²), the highest of any county in Virginia.
According to the US Census, the racial makeup of the county in 2012 was:
- 63.8% non-Hispanic White
- 8.9% Non-Hispanic Black or African American
- 0.8% Non-Hispanic Native American
- 9.9% Non-Hispanic Asian (2.0% Indian, 1.7% Chinese, 1.1% Filipino, 0.9% Korean, 0.7% Vietnamese, 2.7% Other Asian)
- 0.1% Pacific Islander
- 0.29% Non-Hispanic other races
- 3.0% Non-Hispanics reporting two or more race
- 15.4% of the population was Hispanic or Latino of any race (3.4% Salvadoran, 2.0% Bolivian, 1.7% Mexican, 1.5% Guatemalan, 0.8% Puerto Rican, 0.7% Peruvian, 0.6% Colombian)
- 28% of Arlington residents were foreign-born as of 2000.
- Demographics courtesy of U.S. Census Quickfacts
There were 86,352 households out of which 19.30% had children under the age of 18 living with them, 35.30% were married couples living together, 7.00% had a female householder with no husband present, and 54.50% were non-families. 40.80% of all households were made up of individuals and 7.30% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.96.
Families headed by single parents was the lowest in the DC area, under 6%, as estimated by the Census Bureau for the years 2006–2008. For the same years, the percentage of people estimated to be living alone was the third highest in the DC area, at 45%. In 2009, Arlington was highest in the Washington DC Metropolitan area for percentage of people who were single – 70.9%. 14.3% were married. 14.8% had families. In 2014 Arlington had the 2nd highest concentration of roommates after San Francisco among the 50 largest U.S. cities.
According to a 2007 estimate, the median income for a household in the county was $94,876, and the median income for a family was $127,179. Males had a median income of $51,011 versus $41,552 for females. The per capita income for the county was $37,706. About 5.00% of families and 7.80% of the population were below the poverty line, including 9.10% of those under age 18 and 7.00% of those age 65 or over.
The age distribution was 16.50% under 18, 10.40% from 18 to 24, 42.40% from 25 to 44, 21.30% from 45 to 64, and 9.40% who were 65 or older. The median age was 34 years. For every 100 females there were 101.50 males. For every 100 females age 18 and over, there were 100.70 males.
CNN Money ranked Arlington as the most educated city in 2006 with 35.7% of residents having held graduate degrees. Along with five other counties in Northern Virginia, Arlington ranked among the twenty American counties with the highest median household income in 2006. In 2009, the county was second in the nation (after nearby Loudoun County) for the percentage of people ages 25–34 earning over $100,000 annually (8.82% of the population).
In August 2011, CNN Money ranked Arlington seventh in the country in its listing of "Best Places for the Rich and Single."
In 2008, 20.3% of the population did not have medical health insurance. In 2010, AIDS prevalence was 341.5 per 100,000 population. This was eight times the rate of nearby Loudoun County and one-quarter the rate of the District of Columbia.
Crime statistics for 2009 included the report of 2 homicides, 149 robberies, 145 incidents of or aggravated assault, 319 burglaries, 4,140 incidents of larceny, and 297 reports of vehicle theft. This was a reduction in all categories from the previous year.
Arlington National Cemetery
Arlington National Cemetery is an American military cemetery established during the American Civil War on the grounds of Confederate General Robert E. Lee's home, Arlington House (also known as the Custis-Lee Mansion). It is directly across the Potomac River from Washington, D.C., north of the Pentagon. With nearly 300,000 graves, Arlington National Cemetery is the second-largest national cemetery in the United States.
Arlington House was named after the Custis family's homestead on Virginia's Eastern Shore. It is associated with the families of Washington, Custis, and Lee. Begun in 1802 and completed in 1817, it was built by George Washington Parke Custis. After his father died, young Custis was raised by his grandmother and her second husband, the first US President George Washington, at Mount Vernon. Custis, a far-sighted agricultural pioneer, painter, playwright, and orator, was interested in perpetuating the memory and principles of George Washington. His house became a "treasury" of Washington heirlooms.
In 1804, Custis married Mary Lee Fitzhugh. Their only child to survive infancy was Mary Anna Randolph Custis, born in 1808. Young Robert E. Lee, whose mother was a cousin of Mrs. Custis, frequently visited Arlington. Two years after graduating from West Point, Lieutenant Lee married Mary Custis at Arlington on June 30, 1831. For 30 years, Arlington House was home to the Lees. They spent much of their married life traveling between U.S. Army duty stations and Arlington, where six of their seven children were born. They shared this home with Mary's parents, the Custis family.
When George Washington Parke Custis died in 1857, he left the Arlington estate to Mrs. Lee for her lifetime and afterward to the Lees' eldest son, George Washington Custis Lee.
The U.S. government confiscated Arlington House and 200 acres (81 ha) of ground immediately from the wife of General Robert E. Lee during the Civil War. The government designated the grounds as a military cemetery on June 15, 1864, by Secretary of War Edwin M. Stanton. In 1882, after many years in the lower courts, the matter of the ownership of Arlington National Cemetery was brought before the United States Supreme Court. The Court decided that the property rightfully belonged to the Lee family. The United States Congress then appropriated the sum of $150,000 for the purchase of the property from the Lee family.
The Tomb of the Unknowns, also known as the Tomb of the Unknown Soldier, stands atop a hill overlooking Washington, DC. President John F. Kennedy is buried in Arlington National Cemetery with his wife and some of their children. His grave is marked with an "Eternal Flame." His brothers, Senators Robert F. Kennedy and Edward M. Kennedy, are also buried nearby. William Howard Taft, who was also a Chief Justice of the U.S. Supreme Court, is the only other President buried at Arlington.
Other frequently visited sites near the cemetery are the U.S. Marine Corps War Memorial, commonly known as the "Iwo Jima Memorial", the U.S. Air Force Memorial, the Women in Military Service for America Memorial, the Netherlands Carillon and the U.S. Army's Fort Myer.
The Pentagon in Arlington is the headquarters of the United States Department of Defense. It was dedicated on January 15, 1943 and it is the world's largest office building. Although it is located in Arlington, the United States Postal Service requires that "Washington, D.C." be used as the place name in mail addressed to the six ZIP codes assigned to The Pentagon.
The building is pentagon-shaped in plan and houses about 23,000 military and civilian employees and about 3,000 non-defense support personnel. It has five floors and each floor has five ring corridors. The Pentagon's principal law enforcement arm is the United States Pentagon Police, the agency that protects the Pentagon and various other DoD jurisdictions throughout the National Capital Region.
Built during the early years of World War II, it is still thought of as one of the most efficient office buildings in the world. It has 17.5 miles (28 km) of corridors, yet it takes only seven minutes or so to walk between any two points in the building.
It was built from 680,000 short tons (620,000 t) of sand and gravel dredged from the nearby Potomac River that were processed into 435,000 cubic yards (330,000 m³) of concrete and molded into the pentagon shape. Very little steel was used in its design due to the needs of the war effort.
The open-air central plaza in the Pentagon is the world's largest "no-salute, no-cover" area (where U.S. servicemembers need not wear hats nor salute). The snack bar in the center is informally known as the Ground Zero Cafe, a nickname originating during the Cold War when the Pentagon was targeted by Soviet nuclear missiles.
During World War II, the earliest portion of the Henry G. Shirley Memorial Highway was built in Arlington in conjunction with the parking and traffic plan for the Pentagon. This early freeway, opened in 1943, and completed to Woodbridge, Virginia in 1952, is now part of Interstate 395.
Streets and roads
Arlington forms part of the region's core transportation network. The county is traversed by two interstate highways, Interstate 66 in the northern part of the county and Interstate 395 in the eastern part, both with high-occupancy vehicle lanes or restrictions. In addition, the county is served by the George Washington Memorial Parkway. In total, Arlington County maintains 376 miles (605 km) of roads.
The street names in Arlington generally follow a unified countywide convention. The north-south streets are generally alphabetical, starting with one-syllable names, then two-, three- and four-syllable names. The "lowest" alphabetical street is Ball Street. The "highest" is Arizona. Many east-west streets are numbered. Route 50 divides Arlington County. Streets are generally labeled North above Route 50, and South below.
Arlington has more than 100 miles (160 km) of on-street and paved off-road bicycle trails. Off-road trails travel along the Potomac River or its tributaries, abandoned railroad beds, or major highways, including: Four Mile Run Trail that travels the length of the county; the Custis Trail, which runs the width of the county from Rosslyn; the Washington & Old Dominion Railroad Trail (W&OD Trail) that travels 45 miles (72 km) from the Shirlington neighborhood out to western Loudoun County; the Mount Vernon Trail that runs for 17 miles (27 km) along the Potomac, continuing through Alexandria to Mount Vernon. In Fall 2015, Arlington was awarded a Silver ranking by the League of American Bicyclists for its bike infrastructure.
40% of Virginia's transit trips begin or end in Arlington, with the vast majority originating from Washington Metro stations.
Arlington is served by the Orange, Blue, Yellow, and Silver lines of the Washington Metro. The Metro stations in Arlington are the only stations outside of Washington, D.C. where the system's original Brutalist architecture can be found.
Additionally, Arlington is served by Virginia Railway Express commuter rail, Metrobus (regional public bus), Fairfax Connector (regional public bus), Potomac and Rappahannock Transportation Commission (PRTC) (regional public bus), and a county public bus system, Arlington Transit (ART). Metroway, the first bus rapid transit (BRT) in the D.C. area, is a joint project between the City of Alexandria, Arlington County, and the Washington Metropolitan Area Transit Authority with wait times similar to those of Metro trains; it was being implemented between Alexandria and Arlington as of July 2014[update].
Capital Bikeshare, a bicycle sharing system, began operations in September 2010 with 14 rental locations primarily around Washington Metro stations throughout the county.
Arlington County is home to Ronald Reagan Washington National Airport, which provides domestic air services to the Washington, D.C. area. In 2009, Condé Nast Traveler readers voted it the country's best airport. Nearby international airports are Washington Dulles International Airport, located in Fairfax and Loudoun counties in Virginia, and Baltimore-Washington International Thurgood Marshall Airport, located in Anne Arundel County, Maryland.
In 2007, the county authorized EnviroCAB, a new taxi company, to operate exclusively with a hybrid-electric fleet of 50 vehicles and also issued permits for existing companies to add 35 hybrid cabs to their fleets. As operations began in 2008, EnvironCab became the first all-hybrid taxicab fleet in the U.S. and the company not only offset the emissions generated by its fleet of hybrids, but also the equivalent emissions of 100 non-hybrid taxis in service in the metropolitan area. The green taxi expansion was part of a county campaign known as Fresh AIRE, or Arlington Initiative to Reduce Emissions, that aimed to cut production of greenhouse gases from county buildings and vehicles by 10 percent by 2012.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Arlington County has a humid subtropical climate, abbreviated "Cfa" on climate maps.
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