Philadelphia street grid

E7897

city plan historic urban layout urban street grid

The Philadelphia street grid is the historic, rectilinear urban layout of Philadelphia, designed in the 17th century by William Penn and surveyor Thomas Holme, that organizes the city into orderly, numbered north–south and named east–west streets.

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All labels observed (7)

Label	Occurrences
Philadelphia street grid canonical	10
Center City street grid	2
Philadelphia numbered street system	2
Philadelphia street numbering system	2
North Philadelphia street grid	1
South Philadelphia street grid	1
street grid of Philadelphia	1

How this entity was disambiguated

This entity first appeared as the object of triple T92411 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Philadelphia street grid
Context triple: [Market Street (Philadelphia), partOf, Philadelphia street grid]

A. Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
B. Walnut Street
Walnut Street is a major commercial and cultural thoroughfare in Philadelphia, known for its shops, restaurants, and proximity to several universities in University City.
C. University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
D. Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
E. Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Philadelphia street grid
Target entity description: The Philadelphia street grid is the historic, rectilinear urban layout of Philadelphia, designed in the 17th century by William Penn and surveyor Thomas Holme, that organizes the city into orderly, numbered north–south and named east–west streets.

A. Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
B. Walnut Street
Walnut Street is a major commercial and cultural thoroughfare in Philadelphia, known for its shops, restaurants, and proximity to several universities in University City.
C. University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
D. Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
E. Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	city plan ⓘ historic urban layout ⓘ urban street grid ⓘ
appliesToJurisdiction	Center City Philadelphia ⓘ Old City Philadelphia ⓘ linked to: Old City, Philadelphia
coordinateSystem	rectilinear grid ⓘ
country	United States ⓘ linked to: United States of America
designer	Thomas Holme ⓘ William Penn ⓘ
era	colonial America ⓘ
hasPart	Arch Street ⓘ Broad Street ⓘ linked to: Broad Street (Philadelphia) Chestnut Street ⓘ City Hall square ⓘ Delaware Avenue ⓘ Franklin Square vicinity ⓘ Front Street ⓘ Logan Square vicinity ⓘ Market Street ⓘ Pine Street ⓘ Race Street ⓘ Rittenhouse Square vicinity ⓘ Second Street ⓘ Spruce Street ⓘ Vine Street ⓘ Walnut Street ⓘ Washington Square vicinity ⓘ linked to: Washington Square
inception	1680s ⓘ 17th century ⓘ
influencedBy	Enlightenment rationalism ⓘ Renaissance planning ideas ⓘ
locatedIn	Philadelphia ⓘ
notableFeature	central public squares ⓘ named east–west streets ⓘ numbered north–south streets ⓘ rectangular blocks ⓘ
planningGoal	ease of navigation ⓘ fire safety ⓘ public health ⓘ
planningPrinciple	orderly layout ⓘ rational city planning ⓘ regular blocks ⓘ
significantFor	early American urban planning ⓘ influence on other American city grids ⓘ
state	Pennsylvania ⓘ
streetOrientation	east–west named streets ⓘ north–south numbered streets ⓘ
topographicContext	Delaware River waterfront ⓘ Schuylkill River vicinity ⓘ linked to: Schuylkill River

How these facts were elicited

Referenced by (19)

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

Market Street (Philadelphia) → partOf → Philadelphia street grid ⓘ

subject linked to: Market Street

South 9th Street → partOf → South Philadelphia street grid ⓘ