Dulles Toll Road
E186446
The Dulles Toll Road is a major tolled highway in Northern Virginia that provides a primary commuter and airport access route between the Washington, D.C. region and Washington Dulles International Airport.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Dulles Toll Road canonical | 16 |
| Dulles Toll Road (VA 267) | 2 |
| Dulles Toll Road (State Route 267) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1294747 — 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: Dulles Toll Road Context triple: [Dulles Corridor, servedBy, Dulles Toll Road]
-
A.
Dulles Access Road
The Dulles Access Road is a limited-access highway in Northern Virginia that provides direct, toll-free access between the Capital Beltway and Washington Dulles International Airport.
-
B.
Interstate 66
Interstate 66 is a major east–west U.S. highway in the Mid-Atlantic region that connects Washington, D.C. with northern Virginia and extends westward toward the Shenandoah Valley.
-
C.
Dulles Greenway
Dulles Greenway is a privately owned toll road in Northern Virginia that connects Washington Dulles International Airport with communities in Loudoun County.
-
D.
Dulles Corridor
Dulles Corridor is a major high-technology and business hub in Northern Virginia that stretches along the Dulles Toll Road and connects the Washington, D.C. suburbs to Washington Dulles International Airport.
-
E.
Baltimore–Washington Parkway
The Baltimore–Washington Parkway is a major scenic highway in Maryland that connects the cities of Baltimore and Washington, D.C., serving as a key commuter and transportation route in the region.
- 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: Dulles Toll Road Target entity description: The Dulles Toll Road is a major tolled highway in Northern Virginia that provides a primary commuter and airport access route between the Washington, D.C. region and Washington Dulles International Airport.
-
A.
Dulles Access Road
The Dulles Access Road is a limited-access highway in Northern Virginia that provides direct, toll-free access between the Capital Beltway and Washington Dulles International Airport.
-
B.
Interstate 66
Interstate 66 is a major east–west U.S. highway in the Mid-Atlantic region that connects Washington, D.C. with northern Virginia and extends westward toward the Shenandoah Valley.
-
C.
Dulles Greenway
Dulles Greenway is a privately owned toll road in Northern Virginia that connects Washington Dulles International Airport with communities in Loudoun County.
-
D.
Dulles Corridor
Dulles Corridor is a major high-technology and business hub in Northern Virginia that stretches along the Dulles Toll Road and connects the Washington, D.C. suburbs to Washington Dulles International Airport.
-
E.
Baltimore–Washington Parkway
The Baltimore–Washington Parkway is a major scenic highway in Maryland that connects the cities of Baltimore and Washington, D.C., serving as a key commuter and transportation route in the region.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
limited-access highway
ⓘ
road transportation infrastructure ⓘ tolled highway ⓘ |
| accessControl | controlled-access ⓘ |
| connectsTo |
Capital Beltway (Interstate 495)
ⓘ
linked to:
Interstate 495
Virginia State Route 267 ⓘ Washington Dulles International Airport ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasJunctionWith | local roads in Fairfax County ⓘ |
| hasLanes | multiple travel lanes in each direction ⓘ |
| hasRoadSurface | paved asphalt ⓘ |
| hasSpeedLimit | freeway-typical speed limits ⓘ |
| hasToll | yes ⓘ |
| hasTraffic | high commuter traffic volumes ⓘ |
| isImportantFor |
access to an international airport
ⓘ
regional mobility in Northern Virginia ⓘ |
| isMajorRouteBetween |
Washington Dulles International Airport
ⓘ
Washington, D.C. region ⓘ
linked to:
Washington metropolitan area
|
| isPartOfNetwork | regional highway network of Northern Virginia ⓘ |
| isPublicInfrastructure | yes ⓘ |
| languageOfOfficialSignage | English ⓘ |
| locatedIn |
Commonwealth of Virginia
ⓘ
linked to:
Virginia
Fairfax County, Virginia ⓘ Northern Virginia ⓘ |
| locatedNear |
Herndon, Virginia
ⓘ
linked to:
Herndon
Reston, Virginia ⓘ
linked to:
Reston
Tysons, Virginia ⓘ |
| nearbyAirport | Washington Dulles International Airport ⓘ |
| ownedBy |
Commonwealth of Virginia
ⓘ
linked to:
Virginia
|
| parallelTo | Dulles Access Road ⓘ |
| partOf |
Virginia State Route 267 corridor
ⓘ
linked to:
Virginia State Route 267
|
| primaryFunction |
airport access route
ⓘ
commuter route ⓘ |
| providesAccessTo |
Washington Dulles International Airport terminal complex
ⓘ
linked to:
Washington Dulles International Airport
|
| regionServed |
Washington metropolitan area
ⓘ
Washington, D.C. region ⓘ
linked to:
Washington metropolitan area
|
| roadType | freeway-standard roadway ⓘ |
| serves |
commuters in Northern Virginia
ⓘ
travelers to and from Washington Dulles International Airport ⓘ |
| tollCollectionMethod |
cash toll collection
ⓘ
electronic toll collection ⓘ |
| transportMode | motor vehicle traffic ⓘ |
| usedFor |
airport employee access
ⓘ
airport passenger access ⓘ daily commuting ⓘ |
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: Dulles Toll Road Description of subject: The Dulles Toll Road is a major tolled highway in Northern Virginia that provides a primary commuter and airport access route between the Washington, D.C. region and Washington Dulles International Airport.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dulles Toll Road
linked to: Dulles Toll Road
linked to: Dulles Toll Road
subject linked to:
SR 28