State Route 20
E482314
State Route 20 is a major east–west state highway in Northern California that connects the North Coast region to the Sacramento Valley and the Sierra Nevada.
All labels observed (2)
| Label | Occurrences |
|---|---|
| State Route 20 canonical | 3 |
| State Route 20 near Upper Lake | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2408588 — 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: State Route 20 Context triple: [Colusa County, California, United States, hasMajorHighway, State Route 20]
-
A.
State Route 23
State Route 23 is a California state highway that runs through Ventura County and connects coastal and inland communities in Southern California.
-
B.
State Route 28
State Route 28 is a scenic highway that runs along the northeastern shore of Lake Tahoe, connecting communities such as Incline Village in Nevada.
-
C.
State Route 29
State Route 29 is a major north–south highway running through California’s Napa Valley, serving as a primary route for accessing its wine country towns and vineyards.
-
D.
State Route 27
State Route 27 is a primary state highway in Maine that runs through central parts of the state, connecting local communities and serving as a key regional travel corridor.
-
E.
State Route 520
State Route 520 is a major east–west highway in the Seattle metropolitan area that includes the floating bridge across Lake Washington and serves as a key commuter route between Seattle and its eastern suburbs.
- 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: State Route 20 Target entity description: State Route 20 is a major east–west state highway in Northern California that connects the North Coast region to the Sacramento Valley and the Sierra Nevada.
-
A.
State Route 23
State Route 23 is a California state highway that runs through Ventura County and connects coastal and inland communities in Southern California.
-
B.
State Route 28
State Route 28 is a scenic highway that runs along the northeastern shore of Lake Tahoe, connecting communities such as Incline Village in Nevada.
-
C.
State Route 29
State Route 29 is a major north–south highway running through California’s Napa Valley, serving as a primary route for accessing its wine country towns and vineyards.
-
D.
State Route 27
State Route 27 is a primary state highway in Maine that runs through central parts of the state, connecting local communities and serving as a key regional travel corridor.
-
E.
State Route 520
State Route 520 is a major east–west highway in the Seattle metropolitan area that includes the floating bridge across Lake Washington and serves as a key commuter route between Seattle and its eastern suburbs.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
California state highway
ⓘ
state highway ⓘ |
| abbreviation |
CA 20
NERFINISHED
ⓘ
SR 20 NERFINISHED ⓘ |
| connectsRegion |
North Coast
NERFINISHED
ⓘ
Sacramento Valley NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Coastal Range
NERFINISHED
ⓘ
Sacramento Valley NERFINISHED ⓘ Sierra Nevada foothills NERFINISHED ⓘ |
| direction | east–west ⓘ |
| easternTerminus | Interstate 80 near Emigrant Gap, California NERFINISHED ⓘ |
| highwayNumber | 20 ⓘ |
| highwayType | State Route ⓘ |
| intersects |
Interstate 5
NERFINISHED
ⓘ
Interstate 80 NERFINISHED ⓘ State Route 1 NERFINISHED ⓘ State Route 29 NERFINISHED ⓘ State Route 45 NERFINISHED ⓘ State Route 49 NERFINISHED ⓘ State Route 70 NERFINISHED ⓘ U.S. Route 101 NERFINISHED ⓘ U.S. Route 101 Business in Ukiah NERFINISHED ⓘ U.S. Route 101 Business in Willits NERFINISHED ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| nearbyFeature |
Clear Lake (California)
NERFINISHED
ⓘ
Englebright Lake NERFINISHED ⓘ Yuba River NERFINISHED ⓘ |
| partOf |
California Freeway and Expressway System
NERFINISHED
ⓘ
California State Highway System NERFINISHED ⓘ |
| passesCity |
Clearlake, California
NERFINISHED
ⓘ
Colusa, California NERFINISHED ⓘ Fort Bragg, California NERFINISHED ⓘ Grass Valley, California NERFINISHED ⓘ Nevada City, California NERFINISHED ⓘ Ukiah, California NERFINISHED ⓘ Williams, California NERFINISHED ⓘ Willits, California NERFINISHED ⓘ Yuba City, California NERFINISHED ⓘ |
| passesCounty |
Colusa County, California
NERFINISHED
ⓘ
Lake County, California NERFINISHED ⓘ Mendocino County, California NERFINISHED ⓘ Nevada County, California NERFINISHED ⓘ Placer County, California NERFINISHED ⓘ Sutter County, California NERFINISHED ⓘ Yuba County, California NERFINISHED ⓘ |
| passesNear | Pacific Ocean NERFINISHED ⓘ |
| regionServed | Northern California NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| westernTerminus | U.S. Route 101 in Fort Bragg, California 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: State Route 20 Description of subject: State Route 20 is a major east–west state highway in Northern California that connects the North Coast region to the Sacramento Valley and the Sierra Nevada.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
State Route 20 near Upper Lake