CA 20
E534825
CA 20 is a major east–west California state highway that traverses the northern part of the state, connecting U.S. Route 101 near the coast to Interstate 80 in the Sierra Nevada region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CA 20 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5620884 — 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: CA 20 Context triple: [California State Route 20, abbreviation, CA 20]
-
A.
CA-26
CA-26 was the hull classification symbol for USS Northampton, a U.S. Navy heavy cruiser that served prominently in the Pacific during the early years of World War II.
-
B.
CA-24
CA-24 was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II.
-
C.
CA-MB
CA-MB is the ISO 3166-2 subdivision code that uniquely identifies the Canadian province of Manitoba in international standards.
-
D.
CA28
CA28 is a UK postcode district covering parts of the coastal town of Whitehaven in Cumbria, England.
-
E.
CA-29
CA-29 was a U.S. Navy heavy cruiser named USS Chicago that served primarily in the Pacific during the interwar period and early World War II.
- 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: CA 20 Target entity description: CA 20 is a major east–west California state highway that traverses the northern part of the state, connecting U.S. Route 101 near the coast to Interstate 80 in the Sierra Nevada region.
-
A.
CA-26
CA-26 was the hull classification symbol for USS Northampton, a U.S. Navy heavy cruiser that served prominently in the Pacific during the early years of World War II.
-
B.
CA-24
CA-24 was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II.
-
C.
CA-MB
CA-MB is the ISO 3166-2 subdivision code that uniquely identifies the Canadian province of Manitoba in international standards.
-
D.
CA28
CA28 is a UK postcode district covering parts of the coastal town of Whitehaven in Cumbria, England.
-
E.
CA-29
CA-29 was a U.S. Navy heavy cruiser named USS Chicago that served primarily in the Pacific during the interwar period and early World War II.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| abbreviation |
SR 20
ⓘ
State Route 20 NERFINISHED ⓘ |
| connectsRegion |
North Coast of California
NERFINISHED
ⓘ
Sacramento Valley NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| connectsTo |
Interstate 80
NERFINISHED
ⓘ
U.S. Route 101 NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| easternTerminus |
Interstate 80 in Nevada County
NERFINISHED
ⓘ
Interstate 80 near Emigrant Gap NERFINISHED ⓘ |
| hasJunctionWith |
Interstate 5 near Williams
ⓘ
State Route 16 near Rumsey NERFINISHED ⓘ State Route 29 near Upper Lake NERFINISHED ⓘ State Route 45 in Colusa County NERFINISHED ⓘ State Route 49 in Grass Valley NERFINISHED ⓘ State Route 70 near Marysville ⓘ U.S. Route 101 in Mendocino County NERFINISHED ⓘ |
| highwaySystem | California State Route system NERFINISHED ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| orientation | east–west ⓘ |
| partOf |
California Freeway and Expressway System
NERFINISHED
ⓘ
California State Scenic Highway System NERFINISHED ⓘ |
| passesNear | Clear Lake NERFINISHED ⓘ |
| passesThrough |
Colusa, California
NERFINISHED
ⓘ
Grass Valley, California NERFINISHED ⓘ Nevada City, California NERFINISHED ⓘ Williams, California NERFINISHED ⓘ Yuba City, California NERFINISHED ⓘ |
| region | Northern California ⓘ |
| roadType |
expressway segments
ⓘ
two-lane highway ⓘ |
| routeNumber | 20 ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| traverses |
California Coast Ranges
NERFINISHED
ⓘ
Colusa County NERFINISHED ⓘ Lake County NERFINISHED ⓘ Mendocino County NERFINISHED ⓘ Nevada County NERFINISHED ⓘ Sierra Nevada region NERFINISHED ⓘ Sutter County NERFINISHED ⓘ Yuba County NERFINISHED ⓘ |
| westernTerminus |
U.S. Route 101 in Mendocino County
NERFINISHED
ⓘ
U.S. Route 101 near Redwood Valley NERFINISHED ⓘ |
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: CA 20 Description of subject: CA 20 is a major east–west California state highway that traverses the northern part of the state, connecting U.S. Route 101 near the coast to Interstate 80 in the Sierra Nevada region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
California State Route 20