Washington, D.C. street numbering system

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The Washington, D.C. street numbering system is a grid-based scheme that organizes streets numerically and alphabetically radiating from the U.S. Capitol, using quadrants to designate location.

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Statements (49)

Predicate Object
instanceOf street addressing system
urban grid system
addressFormatIncludes quadrant suffix
appliesTo Washington, D.C. NERFINISHED
centeredOn United States Capitol NERFINISHED
covers most of District of Columbia
designedWithin L’Enfant Plan NERFINISHED
distinguishesDuplicateStreetNamesBy quadrant designation
exceptionAreasInclude Anacostia historic core NERFINISHED
Georgetown NERFINISHED
goal facilitate navigation by quadrant and distance
hasFeature radial avenues intersecting orthogonal grid
houseNumberBase distance from Capitol
houseNumbersIncrease away from Capitol along a street
influencedBy Pierre Charles L’Enfant NERFINISHED
letteredStreetsDirection A Street near Capitol outward alphabetically
letteredStreetsIncrease away from Capitol
numberedStreetsDirection 1st Street near Capitol outward numerically
numberedStreetsIncrease away from Capitol
omitsLetter I
J
X
Y
Z
primaryOrigin Capitol building NERFINISHED
Capitol grounds NERFINISHED
quadrantBoundary East Capitol Street NERFINISHED
National Mall NERFINISHED
North Capitol Street NERFINISHED
South Capitol Street NERFINISHED
quadrantSuffixExamples NE
NW
SE
SW
stateAvenuesRadiateFrom Capitol NERFINISHED
White House NERFINISHED
other key circles and squares
usedBy District of Columbia government NERFINISHED
United States Postal Service in Washington, D.C. NERFINISHED
usesAlphabet Latin alphabet
usesLetteredStreets east–west streets
usesNumberedStreets north–south streets
usesQuadrants Northeast
Northwest
Southeast
Southwest
usesStateNamedAvenues diagonal streets
usesThreeSyllableStreetNames after second alphabet cycle
usesTwoSyllableStreetNames after first alphabet cycle

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

18th Street NW isNumberedBy Washington, D.C. street numbering system