Sun Link modern streetcar

E134148

light rail transit public transit system streetcar system

Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.

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All labels observed (4)

Label	Occurrences
Sun Link Tucson Streetcar	3
Sun Link streetcar	2
Sun Link streetcar system	2
Sun Link modern streetcar canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T1125644 — 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: Sun Link modern streetcar
Context triple: [Tucson, hasStreetcar, Sun Link modern streetcar]

A. PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
B. Brill streetcar
The Brill streetcar is a historic electric tramcar model built by the J.G. Brill Company, known for its early 20th-century use in urban street railway systems and preservation in heritage streetcar fleets.
C. Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
D. TECO Line Streetcar System
The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
E. Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
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: Sun Link modern streetcar
Target entity description: Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.

A. PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
B. Brill streetcar
The Brill streetcar is a historic electric tramcar model built by the J.G. Brill Company, known for its early 20th-century use in urban street railway systems and preservation in heritage streetcar fleets.
C. Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
D. TECO Line Streetcar System
The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
E. Metrocars
Metrocars are the electric multiple unit trains specifically designed and used for passenger services on the Tyne and Wear Metro system in North East England.
F. None of above. chosen

Statements (44)

Predicate	Object
instanceOf	light rail transit ⓘ public transit system ⓘ streetcar system ⓘ
category	Rail infrastructure in Arizona ⓘ Tram transport in the United States ⓘ Transport in Tucson, Arizona ⓘ
colorScheme	blue and silver ⓘ
connectsTo	Sun Tran bus network ⓘ
constructionStartDate	2012-04 ⓘ
country	United States ⓘ linked to: United States of America
electrification	overhead catenary ⓘ
fareCollection	proof-of-payment ⓘ
fareMedium	mobile ticket ⓘ smart card ⓘ
fareSystem	SunGO ⓘ linked to: SunGO card
fundingProgram	TIGER grant ⓘ
fundingSource	Federal Transit Administration ⓘ
locatedIn	Tucson, Arizona ⓘ linked to: Tucson
numberOfLines	1 ⓘ
numberOfStations	23 ⓘ
numberOfVehicles	8 ⓘ
openingDate	2014-07-25 ⓘ
operator	City of Tucson ⓘ linked to: Tucson Sun Tran ⓘ linked to: Sun Tran bus system
owner	City of Tucson ⓘ linked to: Tucson
primaryUse	urban transit ⓘ
propulsionSystem	electric ⓘ
region	Pima County, Arizona ⓘ
rightOfWay	street-running ⓘ
safetySystem	traffic signal priority ⓘ
servesArea	Downtown Tucson ⓘ linked to: Tucson Fourth Avenue business district ⓘ Main Gate Square ⓘ Mercado District ⓘ University of Arizona ⓘ
servicePattern	fixed-route ⓘ
totalRouteLength	3.9 miles ⓘ 6.3 kilometers ⓘ
trackConfiguration	double track ⓘ
trackGauge	standard gauge ⓘ
transitType	modern streetcar ⓘ
vehicleManufacturer	United Streetcar ⓘ
vehicleType	articulated low-floor streetcar ⓘ
website	https://www.sunlinkstreetcar.com ⓘ

How these facts were elicited

Referenced by (8)

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

Tucson → hasStreetcar → Sun Link modern streetcar ⓘ

Sun Tran → connectsWith → Sun Link streetcar ⓘ

subject linked to: Sun Tran bus system