SR 520 Bridge Replacement and HOV Program

E303102

highway improvement project transportation infrastructure program

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.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

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]

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
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 ⓘ linked to: United States of America
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 floating bridge replacement ⓘ linked to: SR 520 Bridge Replacement and HOV Program 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 ⓘ
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 Program ⓘ linked to: SR 520 Bridge Replacement and HOV Program
stakeholders	local communities along SR 520 corridor ⓘ regional transit agencies ⓘ
state	Washington ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Evergreen Point Floating Bridge → isPartOfProject → SR 520 Bridge Replacement and HOV Program ⓘ

SR 520 Bridge Replacement and HOV Program → shortName → SR 520 Program ⓘ

linked to: SR 520 Bridge Replacement and HOV Program

SR 520 Bridge Replacement and HOV Program → includes → SR 520 floating bridge replacement ⓘ