California State Route 108
E104639
California State Route 108 is a scenic east–west highway in central California that crosses the Sierra Nevada via the high-elevation Sonora Pass, connecting the Central Valley with the eastern Sierra region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California State Route 108 canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T420386 — 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 Context triple: [Sonora Pass, traversedBy, California State Route 108]
-
A.
California State Route 190
California State Route 190 is an east–west state highway in California that traverses the Sierra Nevada and Death Valley, providing access to Death Valley National Park and connecting remote desert and mountain communities.
-
B.
California State Route 88
California State Route 88 is a scenic highway in California that crosses the Sierra Nevada, providing an all-weather route between the Central Valley and Nevada via Carson Pass.
-
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.
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.
- 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 Target entity description: California State Route 108 is a scenic east–west highway in central California that crosses the Sierra Nevada via the high-elevation Sonora Pass, connecting the Central Valley with the eastern Sierra region.
-
A.
California State Route 190
California State Route 190 is an east–west state highway in California that traverses the Sierra Nevada and Death Valley, providing access to Death Valley National Park and connecting remote desert and mountain communities.
-
B.
California State Route 88
California State Route 88 is a scenic highway in California that crosses the Sierra Nevada, providing an all-weather route between the Central Valley and Nevada via Carson Pass.
-
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.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
California state highway
ⓘ
road transportation infrastructure ⓘ state highway ⓘ |
| abbreviation |
CA 108
ⓘ
SR 108 ⓘ State Route 108 ⓘ |
| category |
Roads in Mono County, California
ⓘ
Roads in Stanislaus County, California ⓘ Roads in Tuolumne County, California ⓘ Sierra Nevada transportation ⓘ State highways in California ⓘ |
| connectsRegion |
Central Valley
ⓘ
surface form:
Central Valley of California
eastern Sierra Nevada region ⓘ |
| connectsTo |
California State Route 120
ⓘ
California State Route 99 ⓘ U.S. Route 395 NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Sierra Nevada
ⓘ
Sonora Pass ⓘ |
| easternTerminus | at U.S. Route 395 near Sonora Junction ⓘ |
| feature |
sharp curves in mountain segments
ⓘ
steep grades near Sonora Pass ⓘ |
| highestPoint | Sonora Pass ⓘ |
| highwayNumber | 108 ⓘ |
| isScenic | yes ⓘ |
| locatedIn |
Central California
ⓘ
Sierra Nevada ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| namedAfter |
Sonora Pass
ⓘ
surface form:
Sonora Pass (informally associated)
|
| nearbyCity |
Modesto
ⓘ
surface form:
Modesto, California
Oakdale ⓘ
surface form:
Oakdale, California
Sonora, California ⓘ |
| orientation | east–west ⓘ |
| partOf |
California state highway system
ⓘ
surface form:
California State Highway System
|
| passElevation | Sonora Pass 9624 ft ⓘ |
| passesThrough |
Mono County, California
ⓘ
Stanislaus County ⓘ
surface form:
Stanislaus County, California
Tuolumne County ⓘ
surface form:
Tuolumne County, California
|
| restriction | not recommended for large trucks or long RVs over Sonora Pass ⓘ |
| roadType | two-lane mountain highway (in upper sections) ⓘ |
| seasonalClosure | Sonora Pass section closed in winter due to snow ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| traverses |
Toiyabe National Forest
ⓘ
surface form:
Humboldt-Toiyabe National Forest
Stanislaus National Forest ⓘ |
| usedFor |
access to camping and hiking areas
ⓘ
access to winter sports areas at lower elevations ⓘ recreational access to Sierra Nevada ⓘ |
| westernTerminus | near Modesto, California ⓘ |
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 Description of subject: California State Route 108 is a scenic east–west highway in central California that crosses the Sierra Nevada via the high-elevation Sonora Pass, connecting the Central Valley with the eastern Sierra region.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Oakdale, California
subject surface form:
Sonora Pass