Sierra Nevada transportation corridor
E15321
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Bakersfield–Ridgecrest route | 1 |
| High Sierra route of State Route 168 | 1 |
| Shasta Route | 1 |
| Sierra Nevada transportation corridor canonical | 1 |
| Sierra Nevada transportation network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T71108 — 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: Sierra Nevada transportation corridor Context triple: [Donner Pass, partOf, Sierra Nevada transportation corridor]
-
A.
California Trail
The California Trail was a major 19th-century overland wagon route that carried hundreds of thousands of emigrants westward to California, especially during the California Gold Rush.
-
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.
Mojave Road historic route
The Mojave Road historic route is a 19th-century wagon trail-turned-backcountry track that crosses the Mojave Desert, now popular with off-road enthusiasts and history buffs for its remote scenery and frontier-era landmarks.
-
D.
High Sierra Trail
The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
-
E.
Carson Pass
Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
- 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: Sierra Nevada transportation corridor Target entity description: 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.
-
A.
California Trail
The California Trail was a major 19th-century overland wagon route that carried hundreds of thousands of emigrants westward to California, especially during the California Gold Rush.
-
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.
Mojave Road historic route
The Mojave Road historic route is a 19th-century wagon trail-turned-backcountry track that crosses the Mojave Desert, now popular with off-road enthusiasts and history buffs for its remote scenery and frontier-era landmarks.
-
D.
High Sierra Trail
The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
-
E.
Carson Pass
Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geographic region
ⓘ
transportation corridor ⓘ |
| carries |
highway traffic
ⓘ
rail traffic ⓘ |
| connects |
Central Valley
ⓘ
surface form:
Central Valley of California
Nevada ⓘ interior West of the United States ⓘ |
| function | major east–west route across the Sierra Nevada ⓘ |
| hasPart |
California State Route 108 over Sonora Pass
ⓘ
California State Route 120 ⓘ
surface form:
California State Route 120 over Tioga Pass
California State Route 178 over Walker Pass ⓘ Ebbetts Pass ⓘ
surface form:
California State Route 4 over Ebbetts Pass
Carson Pass ⓘ
surface form:
California State Route 88 over Carson Pass
Donner Pass ⓘ
surface form:
Donner Pass highway crossing
Interstate 80 ⓘ U.S. Route 395 along the eastern Sierra Nevada front ⓘ U.S. Route 50 ⓘ
surface form:
U.S. Route 50 over Echo Summit
Union Pacific Railroad ⓘ
surface form:
Union Pacific Railroad over Donner Pass
historic First Transcontinental Railroad route over the Sierra Nevada ⓘ |
| historicalSignificance |
facilitated development of California–Nevada economic ties
ⓘ
route of the First Transcontinental Railroad across the Sierra Nevada ⓘ |
| importance | key connection between Pacific Coast and interior western United States ⓘ |
| links |
Central Valley
ⓘ
surface form:
California’s Central Valley
Nevada urban centers ⓘ Reno ⓘ
surface form:
Reno metropolitan area
broader interior West ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sierra Nevada passes ⓘ
surface form:
Sierra Nevada
United States of America ⓘ
surface form:
United States
|
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
Nevada Department of Transportation ⓘ Union Pacific Railroad ⓘ |
| subjectTo |
avalanche risk
ⓘ
chain control requirements in winter ⓘ winter snowstorms ⓘ |
| traverses |
Carson Pass
ⓘ
Donner Pass ⓘ Ebbetts Pass ⓘ Echo Summit ⓘ Sierra Nevada ⓘ
surface form:
Sierra Nevada mountain range
Sierra Nevada passes ⓘ Sonora Pass ⓘ Tioga Pass ⓘ Walker Pass ⓘ |
| usedFor |
freight movement
ⓘ
interstate commerce ⓘ passenger travel ⓘ |
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: Sierra Nevada transportation corridor Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Southern Pacific Cab Forward locomotive
→
railroadLineUsedOn
→
Sierra Nevada transportation corridor
ⓘ
this entity surface form:
Shasta Route
this entity surface form:
Bakersfield–Ridgecrest route
this entity surface form:
Sierra Nevada transportation network
this entity surface form:
High Sierra route of State Route 168