In the Cartesian-coordinate-based street system of Washington, D.C., 14th Street refers to any of several north-south streets located 14 blocks east or west of the United States Capitol. They are distinguished by their quadrant designations, namely, 14th Street, N.W., N.E., S.W., and S.E. Cartesian means relating to the French mathematician and philosopher Descartes, who, among other things, worked to merge algebra and Euclidean geometry. ... United States Capitol The United States Capitol is the building which serves as home for the legislative branch of the United States government. ... The word quadrant can mean: A region of the Cartesian coordinate plane with a specific sign for the x and y coordinates: (+, +), (-, +), (-, -) or (-, +). It is the 2-dimensional case of an Orthant Another name for sextant Also see the Wiktionary entry on Quadrant. ... Color-enhanced USGS satellite image of Washington, DC, taken April 26, 2002. ... Northeast DC is the northeastern quadrant of the city, located north of East Capitol Street and east of North Capital Street. ... Southwest DC is the southwestern quadrant of the city, located south of the National Mall and west of South Capital Street. ... Southeast DC is the southeastern quadrant of the city, located south of East Capitol Street and east of South Capital Street. ...

The most famous 14th Street in the city is the segment of 14th Street, S.W. and N.W., running from the 14th Street Bridge to the Walter Reed Army Medical Center. Northbound U.S. Highway 1 runs along 14th Street from the bridge to Constitution Avenue, where it turns east with US 50. US 1 southbound used to use 15th Street, N.W. due to left turns being banned from westbound Constitution Avenue onto 14th Street, but it now uses the Ninth Street Tunnel, five blocks to the east. 14th Street crosses the National Mall and runs near the White House and through the western side of Washington's Logan Circle neighborhood. (Redirected from 14th Street Bridge) The 14th Street Bridge carries Interstate 395 and U.S. Highway 1 traffic across the Potomac River, connecting Arlington, Virginia and Washington DC. The bridge is also known for being the location of the Air Florida Flight 90 airplane crash on January 13, 1982. ... Walter Reed Army Medical Center is a hospital run by the United States Army. ... United States Highway 1 is a United States highway which parallels the east coast of the United States. ... In Washington, D.C., Constitution Avenue is a major east-west street running just north of the United States Capitol in the citys Northwest and Northeast quadrants. ... United States Highway 50 is an east-west United States highway. ... Facing west across the Mall, with ones back towards the United States Capitol. ... This page is about the official residence of the President of the USA. For other White Houses see White House (disambiguation). ... Logan Circle is a neighborhood in Washington, DC. The actual traffic circle is the intersection of 13th Street, P Street, and Rhode Island Avenue in Northwest, with a grassy area in the middle. ...

Until the late 1980s, 14th Street was known primarily for its red-light district, located roughly between New York Avenue and K Street. However, rising land values pushed out the adult businesses. Now, with the gentrification of the neighborhoods through which it passes, 14th Street is known for live theater, cutting-edge art galleries, and trendy restaurants. Events and trends The 1980s marked an abrupt shift towards more conservative lifestyles after the momentous cultural revolutions which took place in the 1960s and 1970s and the definition of the AIDS virus in 1981. ... A red-light district is a neighborhood where prostitution is a common part of everyday life. ... New York Avenue is one of the diagonal avenues radiating from the White House in Washington, D.C. It is a major east-west route in the citys Northwest and Northeast quadrants and connects downtown with points east and north of the city via the John Hanson Highway and...