SR 509
E564806
SR 509 is a state highway in Washington that serves as a key north–south route connecting cities in the Puget Sound region, including Tacoma and Seattle’s southern suburbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SR 509 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6025843 — 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: SR 509 Context triple: [State Route 509, abbreviation, SR 509]
-
A.
SR 55
SR 55 is a state highway in Georgia that serves as a regional connector route through several counties in the state.
-
B.
SR 502
SR 502 is a state highway in New Mexico that serves as a key route connecting Los Alamos to other major roads in the region.
-
C.
SR 57
SR 57 is a state highway in Ohio that serves as a regional connector route through several communities in the northern part of the state.
-
D.
SR 54
SR 54 is a state highway in Georgia that connects several communities in the western part of the state, including areas around Atlanta.
-
E.
SR 190
SR 190 is a California state highway that runs east–west through the southern Sierra Nevada and Death Valley, connecting the Central Valley to the Nevada state line.
- 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: SR 509 Target entity description: SR 509 is a state highway in Washington that serves as a key north–south route connecting cities in the Puget Sound region, including Tacoma and Seattle’s southern suburbs.
-
A.
SR 55
SR 55 is a state highway in Georgia that serves as a regional connector route through several counties in the state.
-
B.
SR 502
SR 502 is a state highway in New Mexico that serves as a key route connecting Los Alamos to other major roads in the region.
-
C.
SR 57
SR 57 is a state highway in Ohio that serves as a regional connector route through several communities in the northern part of the state.
-
D.
SR 54
SR 54 is a state highway in Georgia that connects several communities in the western part of the state, including areas around Atlanta.
-
E.
SR 190
SR 190 is a California state highway that runs east–west through the southern Sierra Nevada and Death Valley, connecting the Central Valley to the Nevada state line.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| abbreviation | SR 509 ⓘ |
| connectsArea | Seattle southern suburbs ⓘ |
| connectsCity |
Burien, Washington
NERFINISHED
ⓘ
Des Moines, Washington NERFINISHED ⓘ Federal Way, Washington NERFINISHED ⓘ SeaTac, Washington NERFINISHED ⓘ Tacoma, Washington NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasJunctionWith |
Interstate 5
NERFINISHED
ⓘ
Interstate 705 NERFINISHED ⓘ State Route 518 NERFINISHED ⓘ State Route 99 NERFINISHED ⓘ |
| highwaySystem | Washington State Route System NERFINISHED ⓘ |
| isNumberedBetween |
State Route 508
NERFINISHED
ⓘ
State Route 510 NERFINISHED ⓘ |
| locatedIn |
King County
ⓘ
surface form:
King County, Washington
Pierce County, Washington NERFINISHED ⓘ Puget Sound region NERFINISHED ⓘ |
| maintainedBy | Washington State Department of Transportation NERFINISHED ⓘ |
| partOf | Washington state highway network ⓘ |
| passesNear | Seattle–Tacoma International Airport NERFINISHED ⓘ |
| regionServed |
central Puget Sound
NERFINISHED
ⓘ
south Puget Sound NERFINISHED ⓘ |
| routeNumber | 509 ⓘ |
| runsNorthSouth | true ⓘ |
| servesAs | key north–south route in Puget Sound region ⓘ |
| state | Washington ⓘ |
| traverses |
industrial areas
ⓘ
port-related corridors ⓘ urban areas ⓘ |
| usedFor |
commuter traffic
ⓘ
freight traffic ⓘ |
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: SR 509 Description of subject: SR 509 is a state highway in Washington that serves as a key north–south route connecting cities in the Puget Sound region, including Tacoma and Seattle’s southern suburbs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.