State Route 504
E526077
State Route 504 is a Washington state highway best known for providing access to the Mount St. Helens area and its surrounding recreational and scenic sites.
All labels observed (2)
| Label | Occurrences |
|---|---|
| State Route 504 canonical | 3 |
| State Route 504 (Spirit Lake Memorial Highway) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2749756 — 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 504 Context triple: [Southwest Washington, crossedByHighway, State Route 504]
-
A.
State Route 503
State Route 503 is a state highway in southwestern Washington that connects communities northeast of Vancouver to the Mount St. Helens region.
-
B.
State Route 509
State Route 509 is a Washington state highway that serves as a key north–south corridor linking the Port of Tacoma and surrounding industrial areas with nearby cities and regional freeways.
-
C.
State Route 518
State Route 518 is a short Washington state highway in the Seattle metropolitan area that connects Interstate 5 and Interstate 405 to Seattle–Tacoma International Airport.
-
D.
State Route 57
State Route 57 is a major north–south freeway in Southern California that connects Orange County to the Pomona area and intersects several key regional highways.
-
E.
State Route 507
State Route 507 is a state highway in Washington that connects several communities in Thurston and Pierce counties, serving as a regional north–south transportation corridor.
- 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 504 Target entity description: State Route 504 is a Washington state highway best known for providing access to the Mount St. Helens area and its surrounding recreational and scenic sites.
-
A.
State Route 503
State Route 503 is a state highway in southwestern Washington that connects communities northeast of Vancouver to the Mount St. Helens region.
-
B.
State Route 509
State Route 509 is a Washington state highway that serves as a key north–south corridor linking the Port of Tacoma and surrounding industrial areas with nearby cities and regional freeways.
-
C.
State Route 518
State Route 518 is a short Washington state highway in the Seattle metropolitan area that connects Interstate 5 and Interstate 405 to Seattle–Tacoma International Airport.
-
D.
State Route 57
State Route 57 is a major north–south freeway in Southern California that connects Orange County to the Pomona area and intersects several key regional highways.
-
E.
State Route 507
State Route 507 is a state highway in Washington that connects several communities in Thurston and Pierce counties, serving as a regional north–south transportation corridor.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| accessRestrictedBy | winter weather at higher elevations ⓘ |
| alsoKnownAs |
SR 504
ⓘ
Spirit Lake Memorial Highway ⓘ |
| associatedWithEvent | 1980 eruption of Mount St. Helens ⓘ |
| category |
State highways in Washington (state)
ⓘ
Transportation in Cowlitz County, Washington ⓘ Transportation related to Mount St. Helens ⓘ |
| connectsTo |
Forest roads serving Mount St. Helens area
ⓘ
Interstate 5 ⓘ State Route 505 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designation | Primary state highway ⓘ |
| easternTerminus |
Johnston Ridge Observatory area
ⓘ
linked to:
Johnston Ridge Observatory
|
| hasBridgeOver | North Fork Toutle River ⓘ |
| hasInterpretiveSites | geologic and eruption history displays ⓘ |
| hasRouteNumber | 504 ⓘ |
| hasScenicOverlooks |
viewpoints of Mount St. Helens crater
ⓘ
viewpoints of Toutle River valley ⓘ |
| hasVisitorCenters | Mount St. Helens visitor centers along corridor ⓘ |
| isTouristCorridorFor |
Mount St. Helens National Volcanic Monument
ⓘ
linked to:
Mount St. Helens
|
| knownFor |
recreational access
ⓘ
scenic views ⓘ volcanic landscape viewpoints ⓘ |
| locatedIn |
Cowlitz County, Washington
ⓘ
Lewis County, Washington ⓘ |
| maintainedBy | Washington State Department of Transportation ⓘ |
| namedFor | Spirit Lake Memorial Highway ⓘ |
| partOf |
Washington State Route system
ⓘ
linked to:
Washington State Routes
|
| passesAlong | North Fork Toutle River ⓘ |
| passesNear |
Castle Rock, Washington
ⓘ
Toutle, Washington ⓘ |
| providesAccessTo |
Coldwater Lake
ⓘ
Johnston Ridge Observatory ⓘ Mount St. Helens ⓘ Mount St. Helens National Volcanic Monument ⓘ
linked to:
Mount St. Helens
Mount St. Helens Visitor Centers ⓘ Spirit Lake ⓘ |
| rebuiltAfter | 1980 eruption of Mount St. Helens ⓘ |
| roadType | paved highway ⓘ |
| state | Washington ⓘ |
| subjectOf | Mount St. Helens tourism information ⓘ |
| traverses | Mount St. Helens blast zone area ⓘ |
| usedFor |
access to hiking trails
ⓘ
access to viewpoints ⓘ recreational travel ⓘ tourist travel ⓘ |
| westernTerminus | Interstate 5 ⓘ |
| westernTerminusLocatedIn | Castle Rock, Washington ⓘ |
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 504 Description of subject: State Route 504 is a Washington state highway best known for providing access to the Mount St. Helens area and its surrounding recreational and scenic sites.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Mount St. Helens Visitor Center at Silver Lake
→
accessibleVia
→
State Route 504 (Spirit Lake Memorial Highway)
ⓘ
linked to: State Route 504