Newhall Pass
E375241
Newhall Pass is a major mountain pass in Los Angeles County, California, that serves as a key transportation corridor connecting the San Fernando Valley with the Santa Clarita Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Newhall Pass canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3622669 — 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: Newhall Pass Context triple: [Santa Susana Mountains, crossedBy, Newhall Pass]
-
A.
Tehachapi Pass
Tehachapi Pass is a major mountain pass in Southern California that serves as a key transportation corridor between the San Joaquin Valley and the Mojave Desert.
-
B.
Ebbetts Pass
Ebbetts Pass is a high mountain pass in California’s Sierra Nevada, known for its scenic, winding route and historic role as a trans-Sierra crossing.
-
C.
Santa Susana Pass
Santa Susana Pass is a historic mountain pass in Southern California that serves as a key transportation corridor between the San Fernando Valley and Simi Valley.
-
D.
Cajon Pass
Cajon Pass is a major mountain pass in Southern California that serves as a critical transportation corridor linking the Los Angeles Basin with the Mojave Desert and points east.
-
E.
San Gorgonio Pass
San Gorgonio Pass is a major mountain pass in Southern California that serves as a key corridor between the Los Angeles Basin and the Coachella Valley.
- 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: Newhall Pass Target entity description: Newhall Pass is a major mountain pass in Los Angeles County, California, that serves as a key transportation corridor connecting the San Fernando Valley with the Santa Clarita Valley.
-
A.
Tehachapi Pass
Tehachapi Pass is a major mountain pass in Southern California that serves as a key transportation corridor between the San Joaquin Valley and the Mojave Desert.
-
B.
Ebbetts Pass
Ebbetts Pass is a high mountain pass in California’s Sierra Nevada, known for its scenic, winding route and historic role as a trans-Sierra crossing.
-
C.
Santa Susana Pass
Santa Susana Pass is a historic mountain pass in Southern California that serves as a key transportation corridor between the San Fernando Valley and Simi Valley.
-
D.
Cajon Pass
Cajon Pass is a major mountain pass in Southern California that serves as a critical transportation corridor linking the Los Angeles Basin with the Mojave Desert and points east.
-
E.
San Gorgonio Pass
San Gorgonio Pass is a major mountain pass in Southern California that serves as a key corridor between the Los Angeles Basin and the Coachella Valley.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
mountain pass
ⓘ
transportation corridor ⓘ |
| connects |
San Fernando Valley
ⓘ
Santa Clarita ⓘ
surface form:
Santa Clarita Valley
|
| country |
United States of America
ⓘ
surface form:
United States
|
| formsBoundaryBetween |
San Fernando Valley
ⓘ
Santa Clarita ⓘ
surface form:
Santa Clarita Valley
|
| geologicalFeature | gap between Santa Susana Mountains and San Gabriel Mountains ⓘ |
| hasEvent |
1971 Sylmar earthquake damage
ⓘ
1994 Northridge earthquake damage ⓘ 2000 Newhall Pass Metrolink crash ⓘ 2008 Metrolink train collision (Chatsworth) impact on corridor ⓘ |
| hasLandmark |
I-5 and SR 14 interchange
ⓘ
Devore Interchange ⓘ
surface form:
Newhall Pass Interchange
|
| hasRisk |
earthquake damage
ⓘ
landslides ⓘ wildfire exposure ⓘ |
| hasStructure | Newhall Tunnel (historic) ⓘ |
| hasSummitElevation |
approximately 1500 feet
ⓘ
approximately 460 meters ⓘ |
| historicalName |
Fremont Pass
ⓘ
San Fernando Pass ⓘ |
| importance |
major commuter route
ⓘ
major freight corridor ⓘ |
| isOnRoute |
Antelope Valley Freeway
ⓘ
surface form:
Los Angeles to Antelope Valley corridor
San Joaquin Valley transportation corridor ⓘ
surface form:
Los Angeles to Bakersfield corridor
|
| locatedIn |
California, United States
ⓘ
surface form:
California
Los Angeles County ⓘ
surface form:
Los Angeles County, California
San Gabriel Mountains ⓘ |
| locatedNear |
Los Angeles
ⓘ
surface form:
City of Los Angeles
Santa Clarita ⓘ
surface form:
City of Santa Clarita
Newhall ⓘ Sylmar ⓘ |
| namedAfter | Henry Newhall ⓘ |
| partOf |
Greater Los Angeles Area
ⓘ
transportation corridor between Los Angeles Basin and northern California ⓘ |
| railType | mainline rail pass ⓘ |
| region | Southern California ⓘ |
| roadType | freeway pass ⓘ |
| separates |
San Gabriel Mountains
ⓘ
Santa Susana Mountains ⓘ |
| traversedBy |
Interstate 5
ⓘ
Metrolink Antelope Valley Line ⓘ Sierra Highway ⓘ State Route 14 NERFINISHED ⓘ Union Pacific Railroad ⓘ |
| usedSince | 19th century ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Newhall Pass Description of subject: Newhall Pass is a major mountain pass in Los Angeles County, California, that serves as a key transportation corridor connecting the San Fernando Valley with the Santa Clarita Valley.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.