California State Route 29
E408971
California State Route 29 is a north–south state highway in Northern California that connects the Napa Valley wine region with Lake County and the North Coast via a mix of freeway and rural two-lane roadway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California State Route 29 canonical | 13 |
How this entity was disambiguated
This entity first appeared as the object of triple T2573337 — 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 29 Context triple: [California state highway system, hasComponent, California State Route 29]
-
A.
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.
-
B.
California State Route 59
California State Route 59 is a north–south state highway in California’s Central Valley that connects the city of Merced with surrounding rural communities and regional routes.
-
C.
California State Route 24
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.
-
D.
California State Route 37
California State Route 37 is a major east–west highway in Northern California that runs along the northern edge of San Pablo Bay, connecting Marin, Sonoma, Napa, and Solano counties.
-
E.
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.
- 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 29 Target entity description: California State Route 29 is a north–south state highway in Northern California that connects the Napa Valley wine region with Lake County and the North Coast via a mix of freeway and rural two-lane roadway.
-
A.
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.
-
B.
California State Route 59
California State Route 59 is a north–south state highway in California’s Central Valley that connects the city of Merced with surrounding rural communities and regional routes.
-
C.
California State Route 24
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.
-
D.
California State Route 37
California State Route 37 is a major east–west highway in Northern California that runs along the northern edge of San Pablo Bay, connecting Marin, Sonoma, Napa, and Solano counties.
-
E.
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.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation |
CA 29
ⓘ
SR 29 ⓘ |
| category |
State highways in California
ⓘ
Transportation in Lake County, California ⓘ Transportation in Napa County, California ⓘ |
| connectsToRegion |
Lake County
ⓘ
Napa Valley ⓘ North Coast of California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crossesMountainRange | Mayacamas Mountains ⓘ |
| function |
connects Napa Valley with Lake County
ⓘ
provides access from Napa Valley to the North Coast ⓘ |
| generalDirection | north–south ⓘ |
| hasSummit |
Mount Saint Helena area
ⓘ
linked to:
Mount St. Helena
|
| highwaySystem |
California State Route system
ⓘ
linked to:
California state highway system
|
| intersects |
State Route 12
ⓘ
State Route 175 ⓘ State Route 37 ⓘ State Route 53 ⓘ |
| maintainedBy |
California Department of Transportation
ⓘ
linked to:
Caltrans
|
| nearWineRegion |
Calistoga AVA
ⓘ
Oakville AVA ⓘ St. Helena AVA ⓘ Yountville AVA ⓘ |
| northernTerminus |
State Route 20 near Upper Lake
ⓘ
linked to:
State Route 20
|
| parallelTo |
Napa River (in parts of Napa Valley)
ⓘ
linked to:
Napa River
Napa Valley Wine Train (in Napa Valley) ⓘ
linked to:
Napa Valley Wine Train
|
| partOfNetwork |
California Freeway and Expressway System (in parts)
ⓘ
linked to:
California Freeway and Expressway System
National Highway System (in parts) ⓘ
linked to:
National Highway System
|
| passesNear | Clear Lake ⓘ |
| passesThroughCity |
American Canyon
ⓘ
Calistoga ⓘ Clearlake ⓘ
linked to:
Clearlake, California
Lower Lake ⓘ Napa ⓘ St. Helena ⓘ Vallejo ⓘ Yountville ⓘ |
| passesThroughCommunity | Middletown ⓘ |
| passesThroughCounty |
Lake County
ⓘ
Napa County ⓘ Solano County ⓘ |
| region | Northern California ⓘ |
| roadType |
expressway (in some segments)
ⓘ
freeway (in some segments) ⓘ rural two-lane highway (in some segments) ⓘ |
| routeNumber | 29 ⓘ |
| servesRegion |
Napa Valley wine region
ⓘ
linked to:
Napa Valley
|
| southernTerminus | Interstate 80 in Vallejo ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
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 29 Description of subject: California State Route 29 is a north–south state highway in Northern California that connects the Napa Valley wine region with Lake County and the North Coast via a mix of freeway and rural two-lane roadway.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.