State Route 91

E81379

freeway state highway transportation infrastructure

State Route 91 is a major east–west freeway in Southern California that connects the Los Angeles metropolitan area with the Inland Empire and Orange County.

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All labels observed (6)

Label	Occurrences
State Route 91 canonical	28
State Route 91 corridor	2
State Route 91 (California)	1
State Route 91 (nearby access)	1
State Route 91 in Los Angeles County	1
State Route 91 in Riverside	1

How this entity was disambiguated

This entity first appeared as the object of triple T273972 — 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: State Route 91
Context triple: [Inland Empire, transportationCorridor, State Route 91]

A. State Route 99
State Route 99 is a major north–south California highway running through the Central Valley and connecting cities such as Sacramento with other key urban and agricultural regions.
B. State Route 180
State Route 180 is a major California state highway that runs from the agricultural city of Mendota through Fresno to Kings Canyon National Park, serving as a key east–west corridor in the central San Joaquin Valley.
C. State Route 60
State Route 60 is a major east–west freeway in Southern California that serves as a key commuter and freight route through the Inland Empire and connects the Los Angeles area with the Inland regions.
D. State Route 168
State Route 168 is a California state highway that runs from the Fresno area into the Sierra Nevada, providing access to mountain communities and recreational areas.
E. State Route 7
State Route 7 is a primary state highway in Northern Virginia that serves as a major east–west arterial route connecting communities such as Seven Corners with the Washington, D.C. metropolitan area.
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: State Route 91
Target entity description: State Route 91 is a major east–west freeway in Southern California that connects the Los Angeles metropolitan area with the Inland Empire and Orange County.

A. State Route 99
State Route 99 is a major north–south California highway running through the Central Valley and connecting cities such as Sacramento with other key urban and agricultural regions.
B. State Route 180
State Route 180 is a major California state highway that runs from the agricultural city of Mendota through Fresno to Kings Canyon National Park, serving as a key east–west corridor in the central San Joaquin Valley.
C. State Route 60
State Route 60 is a major east–west freeway in Southern California that serves as a key commuter and freight route through the Inland Empire and connects the Los Angeles area with the Inland regions.
D. State Route 168
State Route 168 is a California state highway that runs from the Fresno area into the Sierra Nevada, providing access to mountain communities and recreational areas.
E. State Route 7
State Route 7 is a primary state highway in Northern Virginia that serves as a major east–west arterial route connecting communities such as Seven Corners with the Washington, D.C. metropolitan area.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	freeway ⓘ state highway ⓘ transportation infrastructure ⓘ
abbreviation	SR-91 ⓘ
alsoKnownAs	CA-91 ⓘ SR 91 ⓘ
connects	Inland Empire ⓘ Greater Los Angeles Area ⓘ surface form: Los Angeles metropolitan area Orange County, California ⓘ surface form: Orange County
country	United States of America ⓘ surface form: United States
crosses	Santa Ana River ⓘ
direction	east–west ⓘ
hasJunctionWith	Interstate 15 ⓘ Interstate 5 ⓘ Interstate 605 ⓘ State Route 55 ⓘ State Route 57 ⓘ State Route 71 ⓘ
hasTollFacility	managed lanes ⓘ
hasTollLanes	91 Express Lanes ⓘ
locatedIn	Southern California ⓘ
maintainedBy	Caltrans ⓘ surface form: Caltrans District 12 Caltrans ⓘ surface form: Caltrans District 7 Caltrans ⓘ surface form: Caltrans District 8
managedBy	Caltrans ⓘ surface form: California Department of Transportation
notableFor	heavy traffic congestion ⓘ mountain pass segment through Santa Ana Mountains ⓘ
partOf	California state highway system ⓘ surface form: California State Route system regional transportation network of Southern California ⓘ
passesThrough	Los Angeles County ⓘ Orange County, California ⓘ surface form: Orange County Riverside County ⓘ
regionServed	Greater Los Angeles Area ⓘ surface form: Greater Los Angeles area Riverside–San Bernardino–Ontario metropolitan area ⓘ surface form: Inland Empire metropolitan area Orange County, California ⓘ surface form: Orange County metropolitan area
roadType	freeway-standard highway ⓘ
routeNumber	91 ⓘ
servesCity	Anaheim ⓘ Compton, California, United States ⓘ surface form: Compton Corona, California ⓘ surface form: Corona Fullerton ⓘ Gardena ⓘ Long Beach vicinity ⓘ Riverside ⓘ
state	California, United States ⓘ surface form: California
terminusEast	Interstate 215 ⓘ surface form: Interstate 215 in Riverside area
terminusWest	Interstate 110 vicinity in Gardena ⓘ
usedFor	commuter traffic ⓘ freight transport ⓘ

How these facts were elicited

Referenced by (34)

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

Inland Empire → transportationCorridor → State Route 91 ⓘ

Interstate 15 in California → connectsTo → State Route 91 ⓘ

Riverside County → hasMajorHighway → State Route 91 ⓘ

Inland Empire region of California → transportCorridor → State Route 91 ⓘ

subject surface form: Inland Empire

IE → servedByFreeway → State Route 91 ⓘ

subject surface form: Inland Empire

San Bernardino Valley → traversedBy → State Route 91 ⓘ

Interstate 215 in San Bernardino → hasJunctionWith → State Route 91 ⓘ

subject surface form: Interstate 215 (California)

North Orange County → transportServedBy → State Route 91 ⓘ

Moreno Valley, California → majorHighway → State Route 91 ⓘ

this entity surface form: State Route 91 (nearby access)

Interstate 405 → connectsTo → State Route 91 ⓘ

Compton, California, United States → hasMajorHighway → State Route 91 ⓘ

Interstate 110 → connectsTo → State Route 91 ⓘ

Interstate 710 → connectsTo → State Route 91 ⓘ

Corona, California → locatedOnFreeway → State Route 91 ⓘ

Gateway Cities → hasInfrastructure → State Route 91 ⓘ

State Route 60 → hasInterchangeWith → State Route 91 ⓘ

subject surface form: State Route 60 (California)

Fullerton, California, United States → majorRoad → State Route 91 ⓘ

subject surface form: Fullerton, California

Placentia, California → locatedNear → State Route 91 ⓘ

Metrolink 91/Perris Valley Line → namedAfter → State Route 91 ⓘ

this entity surface form: State Route 91 corridor

Mount Rubidoux → hasNearbyInfrastructure → State Route 91 ⓘ

Norwalk → isLocatedNear → State Route 91 ⓘ

State Route 110 → hasJunctionWith → State Route 91 ⓘ

Riverside, California → servedByFreeway → State Route 91 ⓘ

Riverside–San Bernardino–Ontario metropolitan area → traversedBy → State Route 91 ⓘ

this entity surface form: State Route 91 (California)

Interstate 215 → connectsWith → State Route 91 ⓘ

Interstate 215 → hasJunctionWith → State Route 91 ⓘ

this entity surface form: State Route 91 in Riverside

Los Angeles County transportation network → hasComponent → State Route 91 ⓘ

this entity surface form: State Route 91 in Los Angeles County

Gardena, California → hasMajorRoad → State Route 91 ⓘ

Harbor Freeway → hasJunctionWith → State Route 91 ⓘ

Bellflower → hasTransportationAccess → State Route 91 ⓘ

Gardena → hasMajorHighway → State Route 91 ⓘ

Carson → majorFreeway → State Route 91 ⓘ

Cerritos → servedByFreeway → State Route 91 ⓘ

91 Express Lanes → isPartOf → State Route 91 ⓘ