U.S. Route 240 (in part of its corridor)
E601154
U.S. Route 240 was a former U.S. Highway that once connected Washington, D.C., to Frederick, Maryland, along a corridor now largely served by Interstate 270 and Maryland Route 355.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U.S. Route 240 (in part of its corridor) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6620372 — 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: U.S. Route 240 (in part of its corridor) Context triple: [Maryland Route 355, formerDesignation, U.S. Route 240 (in part of its corridor)]
-
A.
U.S. Route 340 (Virginia)
U.S. Route 340 (Virginia) is a north–south U.S. Highway that runs through the Shenandoah Valley, connecting communities along the Shenandoah River between the West Virginia and Maryland state lines.
-
B.
Columbia Pike (Virginia State Route 244)
Columbia Pike (Virginia State Route 244) is a major arterial roadway in Northern Virginia that connects Arlington and Fairfax counties, serving as a key commuter and commercial corridor just south of Washington, D.C.
-
C.
U.S. Route 40 in Maryland
U.S. Route 40 in Maryland is a major east–west highway that traverses the state, connecting urban centers like Baltimore with rural and mountainous regions including the South Mountain area.
-
D.
Bladensburg Road NE corridor
Bladensburg Road NE corridor is a major commercial and transportation artery in Northeast Washington, D.C., lined with retail, industrial sites, and residential neighborhoods.
-
E.
U.S. Route 29 in Virginia
U.S. Route 29 in Virginia is a major north–south highway that traverses the state from the North Carolina border to Washington, D.C., connecting cities such as Danville, Lynchburg, Charlottesville, and Fairfax.
- 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: U.S. Route 240 (in part of its corridor) Target entity description: U.S. Route 240 was a former U.S. Highway that once connected Washington, D.C., to Frederick, Maryland, along a corridor now largely served by Interstate 270 and Maryland Route 355.
-
A.
U.S. Route 340 (Virginia)
U.S. Route 340 (Virginia) is a north–south U.S. Highway that runs through the Shenandoah Valley, connecting communities along the Shenandoah River between the West Virginia and Maryland state lines.
-
B.
Columbia Pike (Virginia State Route 244)
Columbia Pike (Virginia State Route 244) is a major arterial roadway in Northern Virginia that connects Arlington and Fairfax counties, serving as a key commuter and commercial corridor just south of Washington, D.C.
-
C.
U.S. Route 40 in Maryland
U.S. Route 40 in Maryland is a major east–west highway that traverses the state, connecting urban centers like Baltimore with rural and mountainous regions including the South Mountain area.
-
D.
Bladensburg Road NE corridor
Bladensburg Road NE corridor is a major commercial and transportation artery in Northeast Washington, D.C., lined with retail, industrial sites, and residential neighborhoods.
-
E.
U.S. Route 29 in Virginia
U.S. Route 29 in Virginia is a major north–south highway that traverses the state from the North Carolina border to Washington, D.C., connecting cities such as Danville, Lynchburg, Charlottesville, and Fairfax.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf | former U.S. Highway ⓘ |
| connected |
Frederick, Maryland
ⓘ
Washington, D.C. ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| historicalSignificance | former primary route between Washington, D.C., and Frederick before Interstate 270 ⓘ |
| locatedIn |
District of Columbia
ⓘ
Maryland ⓘ |
| nowLargelyParalleledBy |
Interstate 270
ⓘ
Maryland Route 355 ⓘ |
| partOf | United States Numbered Highway System ⓘ |
| partOfCorridorNowServedBy |
Interstate 270
ⓘ
Maryland Route 355 ⓘ |
| replacedInCorridorBy |
Interstate 270
ⓘ
Maryland Route 355 ⓘ |
| routeType | U.S. Highway ⓘ |
| servedAs | highway connection between Washington, D.C., and Frederick, Maryland ⓘ |
| servedCorridor | Washington, D.C.–Frederick corridor ⓘ |
| status | decommissioned ⓘ |
| terminus |
Frederick, Maryland
ⓘ
Washington, D.C. ⓘ |
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: U.S. Route 240 (in part of its corridor) Description of subject: U.S. Route 240 was a former U.S. Highway that once connected Washington, D.C., to Frederick, Maryland, along a corridor now largely served by Interstate 270 and Maryland Route 355.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.