CA 242
E801244
CA 242 is a short California state highway that serves as a connector between Interstate 680 and State Route 4 in Contra Costa County.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CA 242 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9451086 — 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 242 Context triple: [State Route 242, abbreviation, CA 242]
-
A.
CA-24
CA-24 was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II.
-
B.
CA 20
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.
-
C.
CA 140
CA 140 is a California state highway that serves as a primary access route to Yosemite National Park from the Central Valley.
-
D.
CA-25
CA-25 is the hull classification symbol for USS Salt Lake City, a U.S. Navy Pensacola-class heavy cruiser that saw extensive service in the Pacific during World War II.
-
E.
CA 24
CA 24 is a state highway in California that connects the cities of Oakland and Walnut Creek through the Caldecott Tunnel in the San Francisco Bay Area.
- 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 242 Target entity description: CA 242 is a short California state highway that serves as a connector between Interstate 680 and State Route 4 in Contra Costa County.
-
A.
CA-24
CA-24 was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II.
-
B.
CA 20
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.
-
C.
CA 140
CA 140 is a California state highway that serves as a primary access route to Yosemite National Park from the Central Valley.
-
D.
CA-25
CA-25 is the hull classification symbol for USS Salt Lake City, a U.S. Navy Pensacola-class heavy cruiser that saw extensive service in the Pacific during World War II.
-
E.
CA 24
CA 24 is a state highway in California that connects the cities of Oakland and Walnut Creek through the Caldecott Tunnel in the San Francisco Bay Area.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| abbreviation |
SR 242
ⓘ
State Route 242 ⓘ |
| accessControl | controlled-access highway ⓘ |
| category |
State highways in California
ⓘ
Transportation in Contra Costa County, California ⓘ |
| connectsTo |
Interstate 680
ⓘ
State Route 4 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Contra Costa County ⓘ |
| directionA | south ⓘ |
| directionB | north ⓘ |
| function | connector between Interstate 680 and State Route 4 ⓘ |
| hasJunctionWith |
I-680
ⓘ
linked to:
Interstate 680
SR 4 ⓘ |
| hasRouteType | State Route ⓘ |
| locatedIn | Northern California ⓘ |
| locatedInMetropolitanArea |
San Francisco–Oakland–Berkeley metropolitan area
ⓘ
linked to:
San Francisco Bay Area
|
| maintainedBy |
California Department of Transportation
ⓘ
linked to:
Caltrans
|
| partOf |
California State Highway System
ⓘ
linked to:
California state highway system
|
| passesThrough |
Concord, California
ⓘ
linked to:
Concord, California, United States
|
| regionServed |
Concord, California
ⓘ
linked to:
Concord, California, United States
San Francisco Bay Area ⓘ |
| roadType | freeway ⓘ |
| routeNumber | 242 ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| terminusA |
Interstate 680 in Concord
ⓘ
linked to:
Interstate 680
|
| terminusB |
State Route 4 in Concord
ⓘ
linked to:
State Route 4
|
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 242 Description of subject: CA 242 is a short California state highway that serves as a connector between Interstate 680 and State Route 4 in Contra Costa County.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.