California State Route 108 over Sonora Pass
E92168
California State Route 108 over Sonora Pass is a high-elevation mountain highway in California that crosses the central Sierra Nevada, known for its steep grades, scenic vistas, and seasonal closures due to heavy snowfall.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California State Route 108 over Sonora Pass canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T744997 — 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: California State Route 108 over Sonora Pass Context triple: [Sierra Nevada transportation corridor, hasPart, California State Route 108 over Sonora Pass]
-
A.
Sierra Nevada transportation corridor
The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
-
B.
California State Route 82
California State Route 82 is a major north–south arterial road on the San Francisco Peninsula that largely follows the historic El Camino Real through numerous Bay Area cities.
-
C.
California State Route 120
California State Route 120 is a scenic east–west highway in California that crosses the Sierra Nevada and provides one of the main road entrances to Yosemite National Park via Tioga Pass.
-
D.
California State Route 28
California State Route 28 is a scenic state highway that runs along the north shore of Lake Tahoe, connecting communities in the Sierra Nevada region of California.
-
E.
Lassen Volcanic National Park Highway
Lassen Volcanic National Park Highway is the main scenic road that traverses Lassen Volcanic National Park in California, providing access to its geothermal features, volcanic peaks, and alpine landscapes.
- 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: California State Route 108 over Sonora Pass Target entity description: California State Route 108 over Sonora Pass is a high-elevation mountain highway in California that crosses the central Sierra Nevada, known for its steep grades, scenic vistas, and seasonal closures due to heavy snowfall.
-
A.
Sierra Nevada transportation corridor
The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
-
B.
California State Route 82
California State Route 82 is a major north–south arterial road on the San Francisco Peninsula that largely follows the historic El Camino Real through numerous Bay Area cities.
-
C.
California State Route 120
California State Route 120 is a scenic east–west highway in California that crosses the Sierra Nevada and provides one of the main road entrances to Yosemite National Park via Tioga Pass.
-
D.
California State Route 28
California State Route 28 is a scenic state highway that runs along the north shore of Lake Tahoe, connecting communities in the Sierra Nevada region of California.
-
E.
Lassen Volcanic National Park Highway
Lassen Volcanic National Park Highway is the main scenic road that traverses Lassen Volcanic National Park in California, providing access to its geothermal features, volcanic peaks, and alpine landscapes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mountain highway
ⓘ
state highway segment ⓘ |
| connects |
communities on the east side of the Sierra Nevada
ⓘ
communities on the west side of the Sierra Nevada ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Sierra Nevada
ⓘ
surface form:
Sierra Nevada mountain range
|
| hasFeature |
high mountain passes
ⓘ
limited guardrails in some areas ⓘ narrow roadway sections ⓘ sharp curves ⓘ |
| hasHazard |
icy conditions in shoulder seasons
ⓘ
rockfall in some segments ⓘ |
| hasLanes | two-lane highway ⓘ |
| hasMaximumGrade | up to 26 percent in some sections ⓘ |
| hasRoadSurface | paved ⓘ |
| hasScenery |
alpine landscapes
ⓘ
forested slopes ⓘ granite peaks ⓘ meadows ⓘ |
| hasSeasonalClosure | typically in late fall or early winter ⓘ |
| hasSeasonalOpening | typically late spring or early summer ⓘ |
| hasTraffic | light to moderate outside peak tourist season ⓘ |
| hasViewpoints | roadside turnouts ⓘ |
| isPartOf | California state highway system ⓘ |
| isPopularWith |
motorcyclists
ⓘ
sightseers ⓘ tourists ⓘ |
| isSubjectOf |
scenic drive recommendations
ⓘ
travel guides ⓘ |
| knownFor |
heavy snowfall
ⓘ
high elevation ⓘ scenic vistas ⓘ seasonal closures ⓘ steep grades ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sierra Nevada ⓘ central Sierra Nevada ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| partOf | California State Route 108 ⓘ |
| providesAccessTo |
Humboldt-Toiyabe National Forest vicinity
ⓘ
Stanislaus National Forest ⓘ |
| restrictedFor | large commercial trucks in steep sections ⓘ |
| subjectTo |
avalanche risk
ⓘ
snow removal operations ⓘ winter closure ⓘ |
| traverses | Sonora Pass ⓘ |
| usedFor |
automobile travel
ⓘ
recreational access ⓘ |
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: California State Route 108 over Sonora Pass Description of subject: California State Route 108 over Sonora Pass is a high-elevation mountain highway in California that crosses the central Sierra Nevada, known for its steep grades, scenic vistas, and seasonal closures due to heavy snowfall.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.