State Route 238
E775537
State Route 238 is a California state highway in the East Bay region that connects several urban communities and serves as a key commuter route linking local roads with major freeways such as Interstate 880.
All labels observed (3)
| Label | Occurrences |
|---|---|
| State Route 238 canonical | 7 |
| State Route 238 (nearby) | 1 |
| State Route 238 corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6407658 — 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 238 Context triple: [Interstate 880, hasJunctionWith, State Route 238]
-
A.
State Route 237
State Route 237 is a major east–west freeway in California’s South Bay region that connects the cities of Milpitas and Sunnyvale near the southern end of the San Francisco Bay.
-
B.
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.
-
C.
State Route 242
State Route 242 is a short California state highway in Contra Costa County that connects Interstate 680 with State Route 4, serving as a key commuter corridor in the East Bay.
-
D.
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.
-
E.
State Route 28
State Route 28 is a state highway in Washington that serves as a key east–west transportation corridor through central parts of the state, including the city of Ephrata.
- 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 238 Target entity description: State Route 238 is a California state highway in the East Bay region that connects several urban communities and serves as a key commuter route linking local roads with major freeways such as Interstate 880.
-
A.
State Route 237
State Route 237 is a major east–west freeway in California’s South Bay region that connects the cities of Milpitas and Sunnyvale near the southern end of the San Francisco Bay.
-
B.
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.
-
C.
State Route 242
State Route 242 is a short California state highway in Contra Costa County that connects Interstate 680 with State Route 4, serving as a key commuter corridor in the East Bay.
-
D.
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.
-
E.
State Route 28
State Route 28 is a state highway in Washington that serves as a key east–west transportation corridor through central parts of the state, including the city of Ephrata.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| category |
State highways in California
ⓘ
Transportation in Alameda County, California ⓘ |
| connectsTo |
Interstate 580
ⓘ
Interstate 680 ⓘ Interstate 880 ⓘ State Route 92 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function | links local roads with major freeways ⓘ |
| hasDirection | north–south ⓘ |
| highwayNumber | 238 ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
|
| locatedInMetropolitanArea |
Oakland metropolitan area
ⓘ
linked to:
East Bay
San Francisco Bay Area ⓘ |
| maintainedBy |
California Department of Transportation
ⓘ
linked to:
Caltrans
Caltrans ⓘ |
| partOf | California Freeway and Expressway System ⓘ |
| passesThrough |
Castro Valley, California
ⓘ
Fremont, California ⓘ
linked to:
Fremont
Hayward, California ⓘ
linked to:
City of Hayward, California
Union City, California ⓘ |
| region | East Bay ⓘ |
| roadType |
commuter route
ⓘ
urban highway ⓘ |
| serves | East Bay commuters ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| usedFor |
daily commuting
ⓘ
local traffic circulation ⓘ |
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 238 Description of subject: State Route 238 is a California state highway in the East Bay region that connects several urban communities and serves as a key commuter route linking local roads with major freeways such as Interstate 880.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.