Federal Highway U.S. Route 99
E263612
Federal Highway U.S. Route 99 was a major north–south U.S. highway that historically ran along the West Coast from California through Oregon to Washington before being largely replaced by Interstate 5.
All labels observed (8)
| Label | Occurrences |
|---|---|
| U.S. Route 99 | 7 |
| Federal Highway U.S. Route 99 canonical | 2 |
| U.S. Route 99 in California | 2 |
| Highway 99 | 1 |
| U.S. Highway 99 | 1 |
| U.S. Route 99 corridor | 1 |
| US Highway 99 | 1 |
| US Route 99 (in segments) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1190935 — 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: Federal Highway U.S. Route 99 Context triple: [Federal Way, Washington, namedAfter, Federal Highway U.S. Route 99]
-
A.
California State Route 99
California State Route 99 is a major north–south highway running through California’s Central Valley, connecting numerous agricultural and urban communities between Bakersfield and Sacramento.
-
B.
U.S. Route 95
U.S. Route 95 is a major north–south United States highway running from the Mexican border in Arizona to the Canadian border in Idaho, traversing several western states.
-
C.
California State Route 92
California State Route 92 is an east–west highway in the San Francisco Bay Area that connects Half Moon Bay on the Pacific coast to Hayward via the San Mateo–Hayward Bridge across San Francisco Bay.
-
D.
California State Route 89
California State Route 89 is a scenic north–south highway in California that winds through the Sierra Nevada and other mountainous regions, connecting small communities, national forests, and popular outdoor recreation areas.
-
E.
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.
- 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: Federal Highway U.S. Route 99 Target entity description: Federal Highway U.S. Route 99 was a major north–south U.S. highway that historically ran along the West Coast from California through Oregon to Washington before being largely replaced by Interstate 5.
-
A.
California State Route 99
California State Route 99 is a major north–south highway running through California’s Central Valley, connecting numerous agricultural and urban communities between Bakersfield and Sacramento.
-
B.
U.S. Route 95
U.S. Route 95 is a major north–south United States highway running from the Mexican border in Arizona to the Canadian border in Idaho, traversing several western states.
-
C.
California State Route 92
California State Route 92 is an east–west highway in the San Francisco Bay Area that connects Half Moon Bay on the Pacific coast to Hayward via the San Mateo–Hayward Bridge across San Francisco Bay.
-
D.
California State Route 89
California State Route 89 is a scenic north–south highway in California that winds through the Sierra Nevada and other mountainous regions, connecting small communities, national forests, and popular outdoor recreation areas.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
former U.S. Highway
ⓘ
north–south highway ⓘ |
| alsoKnownAs |
Golden State Highway
ⓘ
linked to:
Golden State Freeway
Pacific Highway ⓘ U.S. Highway 99 ⓘ
linked to:
Federal Highway U.S. Route 99
US 99 ⓘ US Highway 99 ⓘ
linked to:
Federal Highway U.S. Route 99
|
| category |
Former U.S. Highways in California
ⓘ
Former U.S. Highways in Oregon ⓘ Former U.S. Highways in Washington ⓘ |
| connectedTo |
Canada–United States border at Blaine
ⓘ
linked to:
Canada–United States border
Mexico–United States border at Calexico ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| decommissioned | 1972 ⓘ |
| designation |
U.S. Numbered Highway
ⓘ
linked to:
U.S. Highway
|
| established | 1926 ⓘ |
| followsCorridorOf | Interstate 5 ⓘ |
| formerRouteNumber | 99 ⓘ |
| historicalSignificance | primary north–south arterial on the U.S. West Coast before the Interstate era ⓘ |
| historicalTerminus |
Blaine, Washington
ⓘ
Calexico, California ⓘ |
| lengthApproximate | about 1,500 miles ⓘ |
| locatedIn | West Coast of the United States ⓘ |
| majorJunction |
Bakersfield, California
ⓘ
linked to:
Bakersfield
Eugene, Oregon ⓘ Fresno, California ⓘ
linked to:
Fresno
Los Angeles, California ⓘ Medford, Oregon ⓘ
linked to:
Medford, Oregon, United States
Portland, Oregon ⓘ
linked to:
Portland, Oregon, United States
Redding, California ⓘ
linked to:
City of Redding, California
Sacramento, California ⓘ
linked to:
Sacramento
Seattle, Washington ⓘ
linked to:
Seattle, Washington, United States
Tacoma, Washington ⓘ |
| parallelTo | Pacific coast (in broad corridor) ⓘ |
| partOf | United States Numbered Highway System ⓘ |
| passesThrough |
Central Valley of California
ⓘ
linked to:
Central Valley
Puget Sound region ⓘ Sacramento Valley ⓘ San Joaquin Valley ⓘ Willamette Valley ⓘ |
| replacedBy |
Interstate 10 (in some southern segments/realignments)
ⓘ
linked to:
Interstate 10
Interstate 5 ⓘ Interstate 90 (in northern Washington connections) ⓘ
linked to:
Interstate 90
|
| runsThrough |
California
ⓘ
linked to:
California, United States
Oregon ⓘ Washington ⓘ |
| successorHighway |
California State Route 99 (on part of former alignment)
ⓘ
Oregon Route 99 (on part of former alignment) ⓘ
linked to:
Oregon Route 99
Washington State Route 99 (on part of former alignment) ⓘ
linked to:
Washington State Route 99
|
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: Federal Highway U.S. Route 99 Description of subject: Federal Highway U.S. Route 99 was a major north–south U.S. highway that historically ran along the West Coast from California through Oregon to Washington before being largely replaced by Interstate 5.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Federal Way, Washington, United States
linked to: Federal Highway U.S. Route 99
subject linked to:
CA 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
subject linked to:
Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
subject linked to:
Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99
linked to: Federal Highway U.S. Route 99