SR 520 Bridge Replacement and HOV Program
E303102
The SR 520 Bridge Replacement and HOV Program is a major Washington State transportation initiative to modernize the State Route 520 corridor with safer, more reliable, and transit- and carpool-focused infrastructure across Lake Washington and surrounding areas.
All labels observed (3)
| Label | Occurrences |
|---|---|
| SR 520 Bridge Replacement and HOV Program canonical | 1 |
| SR 520 Program | 1 |
| SR 520 floating bridge replacement | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2850809 — 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 520 Bridge Replacement and HOV Program Context triple: [Evergreen Point Floating Bridge, isPartOfProject, SR 520 Bridge Replacement and HOV Program]
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A.
Portland bridge system
The Portland bridge system is the network of iconic bridges spanning the Willamette and Columbia Rivers that connect Portland’s neighborhoods and support the city’s transportation infrastructure.
-
B.
Riverside Drive Viaduct
Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
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C.
Yaquina Bay Bridge
The Yaquina Bay Bridge is an iconic 1930s Art Deco–style arch bridge on the Oregon coast, renowned for its elegant design and role as a key crossing on U.S. Route 101.
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D.
Alameda Corridor
The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
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E.
Crenshaw/LAX Transit Project
The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
- 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 520 Bridge Replacement and HOV Program Target entity description: The SR 520 Bridge Replacement and HOV Program is a major Washington State transportation initiative to modernize the State Route 520 corridor with safer, more reliable, and transit- and carpool-focused infrastructure across Lake Washington and surrounding areas.
-
A.
Portland bridge system
The Portland bridge system is the network of iconic bridges spanning the Willamette and Columbia Rivers that connect Portland’s neighborhoods and support the city’s transportation infrastructure.
-
B.
Riverside Drive Viaduct
Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
-
C.
Yaquina Bay Bridge
The Yaquina Bay Bridge is an iconic 1930s Art Deco–style arch bridge on the Oregon coast, renowned for its elegant design and role as a key crossing on U.S. Route 101.
-
D.
Alameda Corridor
The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
-
E.
Crenshaw/LAX Transit Project
The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
highway improvement project
ⓘ
transportation infrastructure program ⓘ |
| benefits |
faster transit travel times
ⓘ
improved bicycle connectivity ⓘ improved pedestrian connectivity ⓘ more reliable bus operations ⓘ |
| corridor |
I-5 to I-405
ⓘ
Montlake to Medina ⓘ Seattle to Redmond ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Lake Washington ⓘ |
| environmentalProcess | environmental impact statement ⓘ |
| focus |
carpool priority
ⓘ
transit priority ⓘ |
| fundingSource |
federal transportation funds
ⓘ
state transportation funds ⓘ toll revenues ⓘ |
| goal |
improve regional mobility
ⓘ
improve seismic resilience ⓘ reduce congestion ⓘ support regional transit network ⓘ |
| includes |
SR 520 Bridge Replacement and HOV Program
self-linksurface differs
ⓘ
surface form:
SR 520 floating bridge replacement
bicycle and pedestrian facilities ⓘ high-occupancy vehicle lanes ⓘ transit infrastructure ⓘ |
| involves |
bridge construction
ⓘ
environmental mitigation ⓘ highway widening ⓘ interchange reconstruction ⓘ noise reduction measures ⓘ |
| locatedOn | State Route 520 NERFINISHED ⓘ |
| managingAgency | Washington State Department of Transportation ⓘ |
| modePriority |
bus transit
ⓘ
carpools ⓘ vanpools ⓘ |
| purpose |
enhance transit service
ⓘ
improve reliability of travel ⓘ improve safety ⓘ replace aging SR 520 floating bridge ⓘ support high-occupancy vehicle travel ⓘ |
| regionServed |
Puget Sound region
ⓘ
Seattle metropolitan area ⓘ |
| safetyFeature |
improved merge and exit lanes
ⓘ
modern bridge design standards ⓘ wider shoulders ⓘ |
| shortName |
SR 520 Bridge Replacement and HOV Program
self-linksurface differs
ⓘ
surface form:
SR 520 Program
|
| stakeholders |
local communities along SR 520 corridor
ⓘ
regional transit agencies ⓘ |
| state | 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: SR 520 Bridge Replacement and HOV Program Description of subject: The SR 520 Bridge Replacement and HOV Program is a major Washington State transportation initiative to modernize the State Route 520 corridor with safer, more reliable, and transit- and carpool-focused infrastructure across Lake Washington and surrounding areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
SR 520 Bridge Replacement and HOV Program
→
shortName
→
SR 520 Bridge Replacement and HOV Program
self-linksurface differs
ⓘ
this entity surface form:
SR 520 Program
SR 520 Bridge Replacement and HOV Program
→
includes
→
SR 520 Bridge Replacement and HOV Program
self-linksurface differs
ⓘ
this entity surface form:
SR 520 floating bridge replacement