California State Route 24
E407572
California State Route 24 is a major east–west freeway in the San Francisco Bay Area that connects Oakland to Contra Costa County through the Caldecott Tunnel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California State Route 24 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2573336 — 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: California State Route 24 Context triple: [California state highway system, hasComponent, California State Route 24]
-
A.
California State Route 20
California State Route 20 is an east–west state highway in Northern California that connects the Pacific Coast near Fort Bragg to the Sierra Nevada region, serving as a major corridor through several counties including Nevada County.
-
B.
California State Route 28
California State Route 28 is a scenic state highway that runs along the north shore of Lake Tahoe, connecting communities in the Sierra Nevada region of California.
-
C.
California State Route 25
California State Route 25 is a rural north–south highway in central California that runs through the agricultural and ranching areas of the Diablo Range, serving as a scenic alternative route between the Bay Area and the Central Coast.
-
D.
California State Route 241
California State Route 241 is a toll freeway in Orange County that serves as part of the Foothill Transportation Corridor, providing an alternative north–south route to Interstate 5.
-
E.
California State Route 2
California State Route 2 is a major east–west state highway in Southern California that runs from the Pacific Coast through the Los Angeles area into the San Gabriel Mountains.
- 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: California State Route 24 Target entity description: California State Route 24 is a major east–west freeway in the San Francisco Bay Area that connects Oakland to Contra Costa County through the Caldecott Tunnel.
-
A.
California State Route 20
California State Route 20 is an east–west state highway in Northern California that connects the Pacific Coast near Fort Bragg to the Sierra Nevada region, serving as a major corridor through several counties including Nevada County.
-
B.
California State Route 28
California State Route 28 is a scenic state highway that runs along the north shore of Lake Tahoe, connecting communities in the Sierra Nevada region of California.
-
C.
California State Route 25
California State Route 25 is a rural north–south highway in central California that runs through the agricultural and ranching areas of the Diablo Range, serving as a scenic alternative route between the Bay Area and the Central Coast.
-
D.
California State Route 241
California State Route 241 is a toll freeway in Orange County that serves as part of the Foothill Transportation Corridor, providing an alternative north–south route to Interstate 5.
-
E.
California State Route 2
California State Route 2 is a major east–west state highway in Southern California that runs from the Pacific Coast through the Los Angeles area into the San Gabriel Mountains.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
freeway
ⓘ
road transportation infrastructure ⓘ state highway ⓘ |
| abbreviation |
CA 24
ⓘ
SR 24 ⓘ |
| category |
Roads in Alameda County, California
ⓘ
Roads in Contra Costa County, California ⓘ State highways in California ⓘ |
| connectsCity |
Lafayette, California
ⓘ
Oakland ⓘ
surface form:
Oakland, California
Orinda, California ⓘ Walnut Creek, California NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| easternTerminus |
Interstate 680
ⓘ
surface form:
Interstate 680 in Walnut Creek
|
| hasFeature |
grade-separated interchanges
ⓘ
median barrier ⓘ |
| hasJunctionWith |
Interstate 580
ⓘ
Interstate 980 NERFINISHED ⓘ State Route 13 NERFINISHED ⓘ California State Route 80 Business ⓘ
surface form:
State Route 51 (hidden designation of I-80 Business) via I-680 connection corridor
|
| hasLaneConfiguration | multi-lane freeway ⓘ |
| hasStructure | Caldecott Tunnel ⓘ |
| highwaySystem |
California State Route
ⓘ
surface form:
California State Route system
|
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
Contra Costa County ⓘ
surface form:
Contra Costa County, California
San Francisco Bay Area ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
|
| openedAsFreeway | 20th century ⓘ |
| orientation | east–west ⓘ |
| parallelTo |
BART Antioch–SFO+Millbrae line
ⓘ
surface form:
Bay Area Rapid Transit Antioch–SFO/Millbrae line (between Oakland and Walnut Creek)
|
| partOf |
California Freeway and Expressway System
ⓘ
National Highway System ⓘ |
| passesThrough | Caldecott Tunnel ⓘ |
| roadType | freeway ⓘ |
| routeNumber | 24 ⓘ |
| servesRegion |
Alameda County
ⓘ
Contra Costa County ⓘ East Bay ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| traverses | Oakland Hills ⓘ |
| usedFor |
commuter traffic
ⓘ
regional traffic ⓘ |
| westernTerminus |
Interstate 580
ⓘ
surface form:
Interstate 580 in Oakland
Interstate 980 ⓘ
surface form:
Interstate 980 in Oakland
|
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: California State Route 24 Description of subject: California State Route 24 is a major east–west freeway in the San Francisco Bay Area that connects Oakland to Contra Costa County through the Caldecott Tunnel.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Lafayette, California